import macros;macro ImportExpand(s:untyped):untyped = parseStmt($s[2])
# source: https://github.com/kemuniku/cplib/tree/main/src/cplib/tmpl/citrus.nim
ImportExpand "cplib/tmpl/citrus" <=== "when not declared CPLIB_TMPL_CITRUS:\n    const CPLIB_TMPL_CITRUS* = 1\n    {.warning[UnusedImport]: off.}\n    {.hint[XDeclaredButNotUsed]: off.}\n    import os\n    import algorithm\n    import sequtils\n    import tables\n    import macros\n    import std/math\n    import sets\n    import strutils\n    import strformat\n    import sugar\n    import streams\n    import deques\n    import bitops\n    import heapqueue\n    import options\n    import hashes\n    const MODINT998244353* = 998244353\n    const MODINT1000000007* = 1000000007\n    when not declared CPLIB_UTILS_CONSTANTS:\n        const CPLIB_UTILS_CONSTANTS* = 1\n        const INF32*: int32 = 1001000027.int32\n        const INF64*: int = int(3300300300300300491)\n    \n    const INFL = INF64\n    type double* = float64\n    let readNext = iterator(getsChar: bool = false): string {.closure.} =\n        while true:\n            var si: string\n            try: si = stdin.readLine\n            except EOFError: yield \"\"\n            for s in si.split:\n                if getsChar:\n                    for i in 0..<s.len():\n                        yield s[i..i]\n                else:\n                    if s.isEmptyOrWhitespace: continue\n                    yield s\n    proc input*(t: typedesc[string]): string = readNext()\n    proc input*(t: typedesc[char]): char = readNext(true)[0]\n    proc input*(t: typedesc[int]): int = readNext().parseInt\n    proc input*(t: typedesc[float]): float = readNext().parseFloat\n    macro input*(t: typedesc, n: varargs[int]): untyped =\n        var repStr = \"\"\n        for arg in n:\n            repStr &= &\"({arg.repr}).newSeqWith \"\n        parseExpr(&\"{repStr}input({t})\")\n    macro input*(ts: varargs[auto]): untyped =\n        var tupStr = \"\"\n        for t in ts:\n            tupStr &= &\"input({t.repr}),\"\n        parseExpr(&\"({tupStr})\")\n    macro input*(n: int, ts: varargs[auto]): untyped =\n        for typ in ts:\n            if typ.typeKind != ntyAnything:\n                error(\"Expected typedesc, got \" & typ.repr, typ)\n        parseExpr(&\"({n.repr}).newSeqWith input({ts.repr})\")\n    proc `fmtprint`*(x: int or string or char or bool): string = return $x\n    proc `fmtprint`*(x: float or float32 or float64): string = return &\"{x:.16f}\"\n    proc `fmtprint`*[T](x: seq[T] or Deque[T] or HashSet[T] or set[T]): string = return x.toSeq.join(\" \")\n    proc `fmtprint`*[T, N](x: array[T, N]): string = return x.toSeq.join(\" \")\n    proc `fmtprint`*[T](x: HeapQueue[T]): string =\n        var q = x\n        while q.len != 0:\n            result &= &\"{q.pop()}\"\n            if q.len != 0: result &= \" \"\n    proc `fmtprint`*[T](x: CountTable[T]): string =\n        result = x.pairs.toSeq.mapIt(&\"{it[0]}: {it[1]}\").join(\" \")\n    proc `fmtprint`*[K, V](x: Table[K, V]): string =\n        result = x.pairs.toSeq.mapIt(&\"{it[0]}: {it[1]}\").join(\" \")\n    proc print*(prop: tuple[f: File, sepc: string, endc: string, flush: bool], args: varargs[string, `fmtprint`]) =\n        for i in 0..<len(args):\n            prop.f.write(&\"{args[i]}\")\n            if i != len(args) - 1: prop.f.write(prop.sepc) else: prop.f.write(prop.endc)\n        if prop.flush: prop.f.flushFile()\n    proc print*(args: varargs[string, `fmtprint`]) = print((f: stdout, sepc: \" \", endc: \"\\n\", flush: false), args)\n    const LOCAL_DEBUG{.booldefine.} = false\n    macro getSymbolName(x: typed): string = x.toStrLit\n    macro debug*(args: varargs[untyped]): untyped =\n        when LOCAL_DEBUG:\n            result = newNimNode(nnkStmtList, args)\n            template prop(e: string = \"\"): untyped = (f: stderr, sepc: \"\", endc: e, flush: true)\n            for i, arg in args:\n                if arg.kind == nnkStrLit:\n                    result.add(quote do: print(prop(), \"\\\"\", `arg`, \"\\\"\"))\n                else:\n                    result.add(quote do: print(prop(\": \"), getSymbolName(`arg`)))\n                    result.add(quote do: print(prop(), `arg`))\n                if i != args.len - 1: result.add(quote do: print(prop(), \", \"))\n                else: result.add(quote do: print(prop(), \"\\n\"))\n        else:\n            return (quote do: discard)\n    proc `%`*(x: SomeInteger, y: SomeInteger): int =\n        result = x mod y\n        if y > 0 and result < 0: result += y\n        if y < 0 and result > 0: result += y\n    proc `//`*(x: SomeInteger, y: SomeInteger): int =\n        result = x div y\n        if y > 0 and result * y > x: result -= 1\n        if y < 0 and result * y < x: result -= 1\n    proc `^`*(x: SomeInteger, y: SomeInteger): int = x xor y\n    proc `&`*(x: SomeInteger, y: SomeInteger): int = x and y\n    proc `|`*(x: SomeInteger, y: SomeInteger): int = x or y\n    proc `>>`*(x: SomeInteger, y: SomeInteger): int = x shr y\n    proc `<<`*(x: SomeInteger, y: SomeInteger): int = x shl y\n    proc `%=`*(x: var SomeInteger, y: SomeInteger): void = x = x % y\n    proc `//=`*(x: var SomeInteger, y: SomeInteger): void = x = x // y\n    proc `^=`*(x: var SomeInteger, y: SomeInteger): void = x = x ^ y\n    proc `&=`*(x: var SomeInteger, y: SomeInteger): void = x = x & y\n    proc `|=`*(x: var SomeInteger, y: SomeInteger): void = x = x | y\n    proc `>>=`*(x: var SomeInteger, y: SomeInteger): void = x = x >> y\n    proc `<<=`*(x: var SomeInteger, y: SomeInteger): void = x = x << y\n    proc `[]`*(x, n: int): bool = (x and (1 shl n)) != 0\n    proc `[]=`*(x: var int, n: int, i: bool) =\n        if i: x = x or (1 << n)\n        else: (if x[n]: x = x xor (1 << n))\n    proc pow*(a, n: int, m = INF64): int =\n        var\n            rev = 1\n            a = a\n            n = n\n        while n > 0:\n            if n % 2 != 0: rev = (rev * a) mod m\n            if n > 1: a = (a * a) mod m\n            n >>= 1\n        return rev\n    when not declared CPLIB_MATH_ISQRT:\n        const CPLIB_MATH_ISQRT* = 1\n        proc isqrt*(n: int): int =\n            var x = n\n            var y = (x + 1) shr 1\n            while y < x:\n                x = y\n                y = (x + n div x) shr 1\n            return x\n    \n    proc chmax*[T](x: var T, y: T): bool {.discardable.} = (if x < y: (x = y; return true; ) return false)\n    proc chmin*[T](x: var T, y: T): bool {.discardable.} = (if x > y: (x = y; return true; ) return false)\n    proc `max=`*[T](x: var T, y: T) = x = max(x, y)\n    proc `min=`*[T](x: var T, y: T) = x = min(x, y)\n    proc at*(x: char, a = '0'): int = int(x) - int(a)\n    proc Yes*(b: bool = true): void = print(if b: \"Yes\" else: \"No\")\n    proc No*(b: bool = true): void = Yes(not b)\n    proc YES_upper*(b: bool = true): void = print(if b: \"YES\" else: \"NO\")\n    proc NO_upper*(b: bool = true): void = Yes_upper(not b)\n    const DXY* = [(0, -1), (0, 1), (-1, 0), (1, 0)]\n    const DDXY* = [(1, -1), (1, 0), (1, 1), (0, -1), (0, 1), (-1, -1), (-1, 0), (-1, 1)]\n    macro exit*(statement: untyped): untyped = (quote do: (`statement`; quit()))\n    proc initHashSet[T](): Hashset[T] = initHashSet[T](0)\n"
# source: https://github.com/kemuniku/cplib/tree/main/src/cplib/collections/segtree.nim
ImportExpand "cplib/collections/segtree" <=== "when not declared CPLIB_COLLECTIONS_SEGTREE:\n    const CPLIB_COLLECTIONS_SEGTREE* = 1\n    import algorithm\n    import strutils\n    import sequtils\n    type SegmentTree*[T] = ref object\n        default: T\n        merge: proc(x: T, y: T): T\n        arr*: seq[T]\n        lastnode: int\n        length: int\n    proc initSegmentTree*[T](v: seq[T], merge: proc(x: T, y: T): T, default: T): SegmentTree[T] =\n        var lastnode = 1\n        while lastnode < len(v):\n            lastnode*=2\n        var arr = newSeq[T](2*lastnode)\n        arr.fill(default)\n        var self = SegmentTree[T](default: default, merge: merge, arr: arr, lastnode: lastnode, length: len(v))\n        #1-indexedで作成する\n        for i in 0..<len(v):\n            self.arr[self.lastnode+i] = v[i]\n        for i in countdown(lastnode-1, 1):\n            self.arr[i] = self.merge(self.arr[2*i], self.arr[2*i+1])\n        return self\n    proc initSegmentTree*[T](n: int, merge: proc(x: T, y: T): T, default: T): SegmentTree[T] =\n        initSegmentTree(newSeqWith(n, default), merge, default)\n\n    proc update*[T](self: SegmentTree[T], x: Natural, val: T) =\n        assert x < self.length\n        var x = x\n        x += self.lastnode\n        self.arr[x] = val\n        while x > 1:\n            x = x shr 1\n            self.arr[x] = self.merge(self.arr[2*x], self.arr[2*x+1])\n    proc get*[T](self: SegmentTree[T], q_left: Natural, q_right: Natural): T =\n        assert q_left <= q_right and 0 <= q_left and q_right <= self.length\n        var q_left = q_left\n        var q_right = q_right\n        q_left += self.lastnode\n        q_right += self.lastnode\n        var (lres, rres) = (self.default, self.default)\n        while q_left < q_right:\n            if (q_left and 1) > 0:\n                lres = self.merge(lres, self.arr[q_left])\n                q_left += 1\n            if (q_right and 1) > 0:\n                q_right -= 1\n                rres = self.merge(self.arr[q_right], rres)\n            q_left = q_left shr 1\n            q_right = q_right shr 1\n        return self.merge(lres, rres)\n    proc get*[T](self: SegmentTree[T], segment: HSlice[int, int]): T =\n        assert segment.a <= segment.b + 1 and 0 <= segment.a and segment.b+1 <= self.length\n        return self.get(segment.a, segment.b+1)\n    proc `[]`*[T](self: SegmentTree[T], segment: HSlice[int, int]): T = self.get(segment)\n    proc `[]`*[T](self: SegmentTree[T], index: Natural): T =\n        assert index < self.length\n        return self.arr[index+self.lastnode]\n    proc `[]=`*[T](self: SegmentTree[T], index: Natural, val: T) =\n        assert index < self.length\n        self.update(index, val)\n    proc get_all*[T](self: SegmentTree[T]): T =\n        return self.arr[1]\n    proc len*[T](self: SegmentTree[T]): int =\n        return self.length\n    proc `$`*[T](self: SegmentTree[T]): string =\n        var s = self.arr.len div 2\n        return self.arr[s..<s+self.len].join(\" \")\n    template newSegWith*(V, merge, default: untyped): untyped =\n        initSegmentTree[typeof(default)](V, proc (l{.inject.}, r{.inject.}: typeof(default)): typeof(default) = merge, default)\n    proc max_right*[T](self: SegmentTree[T], l: int, f: proc(l: T): bool): int =\n        assert 0 <= l and l <= self.len\n        assert f(self.default)\n        if l == self.len: return self.len\n        var l = l + self.lastnode\n        var sm = self.default\n        while true:\n            while l mod 2 == 0: l = (l shr 1)\n            if not f(self.merge(sm, self.arr[l])):\n                while l < self.lastnode:\n                    l *= 2\n                    if f(self.merge(sm, self.arr[l])):\n                        sm = self.merge(sm, self.arr[l])\n                        l += 1\n                return l - self.lastnode\n            sm = self.merge(sm, self.arr[l])\n            l += 1\n            if (l and -l) == l: break\n        return self.len\n    proc min_left*[T](self: SegmentTree[T], r: int, f: proc(l: T): bool): int =\n        assert 0 <= r and r <= self.len\n        assert f(self.default)\n        if r == 0: return 0\n        var r = r + self.lastnode\n        var sm = self.default\n        while true:\n            r -= 1\n            while ((r > 1) and (r mod 2 != 0)): r = (r shr 1)\n            if not f(self.merge(self.arr[r], sm)):\n                while r < self.lastnode:\n                    r = 2 * r + 1\n                    if f(self.merge(self.arr[r], sm)):\n                        sm = self.merge(self.arr[r], sm)\n                        r -= 1\n                return r + 1 - self.lastnode\n            sm = self.merge(self.arr[r], sm)\n            if (r and -r) == r: break\n        return 0\n"
# source: https://github.com/kemuniku/cplib/tree/main/src/cplib/collections/defaultdict.nim
ImportExpand "cplib/collections/defaultdict" <=== "when not declared CPLIB_COLLECTIONS_DEFAULTDICT:\n    const CPLIB_COLLECTIONS_DEFAULTDICT* = 1\n    import tables\n    import hashes\n    type DefaultDict*[K, V] = object\n        table: Table[K, V]\n        default: V\n    proc initDefaultDict*[K, V](default: V): DefaultDict[K, V] = DefaultDict[K, V](table: initTable[K, V](), default: default)\n    proc `==`*[K, V](src, dst: DefaultDict[K, V]): bool = src.table == dst.table\n    proc `[]=`*[K, V](d: var DefaultDict[K, V], key: K, val: V) = d.table[key] = val\n    proc `[]`*[K, V](d: DefaultDict[K, V], key: K): V =\n        if key notin d.table: return d.default()\n        return d.table[key]\n    proc `[]`*[K, V](d: var DefaultDict[K, V], key: K): var V =\n        if key notin d.table: d.table[key] = d.default\n        return d.table[key]\n    proc clear*[K, V](d: var DefaultDict[K, V]) = d.table = initTable[K, V](0)\n    proc contains*[K, V](d: var DefaultDict[K, V], key: K): bool = d.table.contains(key)\n    proc del*[K, V](d: var DefaultDict[K, V], key: K) = d.table.del(key)\n    proc hash*[K, V](d: DefaultDict[K, V]): Hash = d.table.hash\n    proc hasKey*[K, V](d: DefaultDict[K, V], key: K): bool = d.table.hasKey(key)\n    proc len*[K, V](d: DefaultDict[K, V]): int = d.table.len\n    proc pop*[K, V](d: var DefaultDict, key: K, val: var V): bool = d.table.pop(key, val)\n    proc take*[K, V](d: var DefaultDict, key: K, val: var V): bool = d.table.pop(key, val)\n    proc toDefaultDict*[K, V](pairs: openArray[(K, V)], default: V): DefaultDict[K, V] =\n        result = initDefaultDict[K, V](default)\n        result.table = pairs.toTable\n    proc toDefaultDict*[K, V](table: Table[K, V], default: V): DefaultDict[K, V] =\n        result = initDefaultDict[K, V](default)\n        result.table = table\n    iterator pairs*[K, V](d: DefaultDict[K, V]): (K, V) =\n        for k, v in d.table: yield (k, v)\n    iterator mpairs*[K, V](d: var DefaultDict[K, V]): (K, var V) =\n        for k, v in d.table.mpairs: yield (k, v)\n    iterator keys*[K, V](d: DefaultDict[K, V]): K =\n        for k in d.table.keys: yield k\n    iterator values*[K, V](d: DefaultDict[K, V]): V =\n        for v in d.table.values: yield v\n    proc `$`*[K, V](d: DefaultDict[K, V]): string = $(d.table)\n"
# source: https://github.com/kemuniku/cplib/tree/main/src/cplib/graph/graph.nim
ImportExpand "cplib/graph/graph" <=== "when not declared CPLIB_GRAPH_GRAPH:\n    const CPLIB_GRAPH_GRAPH* = 1\n\n    import sequtils\n    import math\n    type DynamicGraph*[T] = ref object of RootObj\n        edges*: seq[seq[(int32, T)]]\n        len*: int\n    type StaticGraph*[T] = ref object of RootObj\n        src*, dst*: seq[int32]\n        cost*: seq[T]\n        elist*: seq[(int32, T)]\n        start*: seq[int32]\n        len*: int\n\n    type WeightedDirectedGraph*[T] = ref object of DynamicGraph[T]\n    type WeightedUnDirectedGraph*[T] = ref object of DynamicGraph[T]\n    type UnWeightedDirectedGraph* = ref object of DynamicGraph[int]\n    type UnWeightedUnDirectedGraph* = ref object of DynamicGraph[int]\n    type WeightedDirectedStaticGraph*[T] = ref object of StaticGraph[T]\n    type WeightedUnDirectedStaticGraph*[T] = ref object of StaticGraph[T]\n    type UnWeightedDirectedStaticGraph* = ref object of StaticGraph[int]\n    type UnWeightedUnDirectedStaticGraph* = ref object of StaticGraph[int]\n\n    type GraphTypes*[T] = DynamicGraph[T] or StaticGraph[T]\n    type DirectedGraph* = WeightedDirectedGraph or UnWeightedDirectedGraph or WeightedDirectedStaticGraph or UnWeightedDirectedStaticGraph\n    type UnDirectedGraph* = WeightedUnDirectedGraph or UnWeightedUnDirectedGraph or WeightedUnDirectedStaticGraph or UnWeightedUnDirectedStaticGraph\n    type WeightedGraph*[T] = WeightedDirectedGraph[T] or WeightedUnDirectedGraph[T] or WeightedDirectedStaticGraph[T] or WeightedUnDirectedStaticGraph[T]\n    type UnWeightedGraph* = UnWeightedDirectedGraph or UnWeightedUnDirectedGraph or UnWeightedDirectedStaticGraph or UnWeightedUnDirectedStaticGraph\n    type DynamicGraphTypes* = WeightedDirectedGraph or UnWeightedDirectedGraph or WeightedUnDirectedGraph or UnWeightedUnDirectedGraph\n    type StaticGraphTypes* = WeightedDirectedStaticGraph or UnWeightedDirectedStaticGraph or WeightedUnDirectedStaticGraph or UnWeightedUnDirectedStaticGraph\n\n    proc add_edge_dynamic_impl*[T](g: DynamicGraph[T], u, v: int, cost: T, directed: bool) =\n        g.edges[u].add((v.int32, cost))\n        if not directed: g.edges[v].add((u.int32, cost))\n\n    proc initWeightedDirectedGraph*(N: int, edgetype: typedesc = int): WeightedDirectedGraph[edgetype] =\n        result = WeightedDirectedGraph[edgetype](edges: newSeq[seq[(int32, edgetype)]](N), len: N)\n    proc add_edge*[T](g: var WeightedDirectedGraph[T], u, v: int, cost: T) =\n        g.add_edge_dynamic_impl(u, v, cost, true)\n\n    proc initWeightedUnDirectedGraph*(N: int, edgetype: typedesc = int): WeightedUnDirectedGraph[edgetype] =\n        result = WeightedUnDirectedGraph[edgetype](edges: newSeq[seq[(int32, edgetype)]](N), len: N)\n    proc add_edge*[T](g: var WeightedUnDirectedGraph[T], u, v: int, cost: T) =\n        g.add_edge_dynamic_impl(u, v, cost, false)\n\n    proc initUnWeightedDirectedGraph*(N: int): UnWeightedDirectedGraph =\n        result = UnWeightedDirectedGraph(edges: newSeq[seq[(int32, int)]](N), len: N)\n    proc add_edge*(g: var UnWeightedDirectedGraph, u, v: int) =\n        g.add_edge_dynamic_impl(u, v, 1, true)\n\n    proc initUnWeightedUnDirectedGraph*(N: int): UnWeightedUnDirectedGraph =\n        result = UnWeightedUnDirectedGraph(edges: newSeq[seq[(int32, int)]](N), len: N)\n    proc add_edge*(g: var UnWeightedUnDirectedGraph, u, v: int) =\n        g.add_edge_dynamic_impl(u, v, 1, false)\n\n    proc len*[T](G: WeightedGraph[T]): int = G.len\n    proc len*(G: UnWeightedGraph): int = G.len\n\n    iterator `[]`*[T](g: WeightedDirectedGraph[T] or WeightedUnDirectedGraph[T], x: int): (int, T) =\n        for e in g.edges[x]: yield (e[0].int, e[1])\n    iterator `[]`*(g: UnWeightedDirectedGraph or UnWeightedUnDirectedGraph, x: int): int =\n        for e in g.edges[x]: yield e[0].int\n\n    proc add_edge_static_impl*[T](g: StaticGraph[T], u, v: int, cost: T, directed: bool) =\n        g.src.add(u.int32)\n        g.dst.add(v.int32)\n        g.cost.add(cost)\n        if not directed:\n            g.src.add(v.int32)\n            g.dst.add(u.int32)\n            g.cost.add(cost)\n\n    proc build_impl*[T](g: StaticGraph[T]) =\n        g.start = newSeqWith(g.len + 1, 0.int32)\n        for i in 0..<g.src.len:\n            g.start[g.src[i]] += 1\n        g.start.cumsum\n        g.elist = newSeq[(int32, T)](g.start[^1])\n        for i in countdown(g.src.len - 1, 0):\n            var u = g.src[i]\n            var v = g.dst[i]\n            g.start[u] -= 1\n            g.elist[g.start[u]] = (v, g.cost[i])\n    proc build*(g: StaticGraphTypes) = g.build_impl()\n\n    proc initWeightedDirectedStaticGraph*(N: int, edgetype: typedesc = int, capacity: int = 0): WeightedDirectedStaticGraph[edgetype] =\n        result = WeightedDirectedStaticGraph[edgetype](\n            src: newSeqOfCap[int32](capacity),\n            dst: newSeqOfCap[int32](capacity),\n            cost: newSeqOfCap[edgetype](capacity),\n            elist: newSeq[(int32, edgetype)](0),\n            start: newSeq[int32](0),\n            len: N\n        )\n    proc add_edge*[T](g: var WeightedDirectedStaticGraph[T], u, v: int, cost: T) =\n        g.add_edge_static_impl(u, v, cost, true)\n\n    proc initWeightedUnDirectedStaticGraph*(N: int, edgetype: typedesc = int, capacity: int = 0): WeightedUnDirectedStaticGraph[edgetype] =\n        result = WeightedUnDirectedStaticGraph[edgetype](\n            src: newSeqOfCap[int32](capacity*2),\n            dst: newSeqOfCap[int32](capacity*2),\n            cost: newSeqOfCap[edgetype](capacity*2),\n            elist: newSeq[(int32, edgetype)](0),\n            start: newSeq[int32](0),\n            len: N\n        )\n    proc add_edge*[T](g: var WeightedUnDirectedStaticGraph[T], u, v: int, cost: T) =\n        g.add_edge_static_impl(u, v, cost, false)\n\n    proc initUnWeightedDirectedStaticGraph*(N: int, capacity: int = 0): UnWeightedDirectedStaticGraph =\n        result = UnWeightedDirectedStaticGraph(\n            src: newSeqOfCap[int32](capacity),\n            dst: newSeqOfCap[int32](capacity),\n            cost: newSeqOfCap[int](capacity),\n            elist: newSeq[(int32, int)](0),\n            start: newSeq[int32](0),\n            len: N\n        )\n    proc add_edge*(g: var UnWeightedDirectedStaticGraph, u, v: int) =\n        g.add_edge_static_impl(u, v, 1, true)\n\n    proc initUnWeightedUnDirectedStaticGraph*(N: int, capacity: int = 0): UnWeightedUnDirectedStaticGraph =\n        result = UnWeightedUnDirectedStaticGraph(\n            src: newSeqOfCap[int32](capacity*2),\n            dst: newSeqOfCap[int32](capacity*2),\n            cost: newSeqOfCap[int](capacity*2),\n            elist: newSeq[(int32, int)](0),\n            start: newSeq[int32](0),\n            len: N\n        )\n    proc add_edge*(g: var UnWeightedUnDirectedStaticGraph, u, v: int) =\n        g.add_edge_static_impl(u, v, 1, false)\n\n    proc static_graph_initialized_check*[T](g: StaticGraph[T]) = assert g.start.len > 0, \"Static Graph must be initialized before use.\"\n\n    iterator `[]`*[T](g: WeightedDirectedStaticGraph[T] or WeightedUnDirectedStaticGraph[T], x: int): (int, T) =\n        g.static_graph_initialized_check()\n        for i in g.start[x]..<g.start[x+1]: yield (g.elist[i][0].int, g.elist[i][1])\n    iterator `[]`*(g: UnWeightedDirectedStaticGraph or UnWeightedUnDirectedStaticGraph, x: int): int =\n        g.static_graph_initialized_check()\n        for i in g.start[x]..<g.start[x+1]: yield g.elist[i][0].int\n\n    iterator to_and_cost*[T](g: DynamicGraph[T], x: int): (int, T) =\n        for e in g.edges[x]: yield (e[0].int, e[1])\n    iterator to_and_cost*[T](g: StaticGraph[T], x: int): (int, T) =\n        g.static_graph_initialized_check()\n        for i in g.start[x]..<g.start[x+1]: yield (g.elist[i][0].int, g.elist[i][1])\n    \n    import tables\n\n    type UnWeightedUnDirectedTableGraph*[T] = object \n        toi* : Table[T,int]\n        v* : seq[T]\n        graph* : UnWeightedUnDirectedGraph\n\n    type UnWeightedDirectedTableGraph*[T] = object \n        toi* : Table[T,int]\n        v* : seq[T]\n        graph* : UnWeightedDirectedGraph\n\n    type WeightedUnDirectedTableGraph*[T,S] = object \n        toi* : Table[T,int]\n        v* : seq[T]\n        graph* : WeightedUnDirectedGraph[S]\n\n    type WeightedDirectedTableGraph*[T,S] = object \n        toi* : Table[T,int]\n        v* : seq[T]\n        graph* : WeightedDirectedGraph[S]\n\n    type UnWeightedTableGraph*[T] = UnWeightedUnDirectedTableGraph[T] or UnWeightedDirectedTableGraph[T]\n    type WeightedTableGraph*[T,S] = WeightedUnDirectedTableGraph[T,S] or WeightedDirectedTableGraph[T,S]\n\n    proc initUnWeightedUnDirectedTableGraph*[T](V:seq[T]):UnWeightedUnDirectedTableGraph[T]=\n        for i in 0..<len(V):\n            result.toi[V[i]] = i\n        result.graph = initUnWeightedUnDirectedGraph(len(V))\n        result.v = V\n\n    proc initUnWeightedDirectedTableGraph*[T](V:seq[T]):UnWeightedDirectedTableGraph[T]=\n        for i in 0..<len(V):\n            result.toi[V[i]] = i\n        result.graph = initUnWeightedDirectedGraph(len(V))\n        result.v = V\n\n    proc initWeightedUnDirectedTableGraph*[T](V:seq[T],S:typedesc = int):WeightedUnDirectedTableGraph[T,S]=\n        for i in 0..<len(V):\n            result.toi[V[i]] = i\n        result.graph = initWeightedUnDirectedGraph(len(V),S)\n        result.v = V\n\n    proc initWeightedDirectedTableGraph*[T](V:seq[T],S:typedesc = int):WeightedDirectedTableGraph[T,S]=\n        for i in 0..<len(V):\n            result.toi[V[i]] = i\n        result.graph = initWeightedDirectedGraph(len(V),S)\n        result.v = V\n\n    proc add_edge*[T](g: var UnWeightedTableGraph[T],u,v:int)=\n        g.graph.add_edge(g.toi[u],g.toi[v])\n\n    proc add_edge*[T,S](g: var WeightedTableGraph[T,S],u,v:int,cost:S)=\n        g.graph.add_edge(g.toi[u],g.toi[v],cost)\n\n    iterator `[]`*[T,S](g: WeightedDirectedTableGraph[T,S] or WeightedUnDirectedTableGraph[T,S], x: T): (T, S) = \n        for (x,y) in g.graph[g.toi[x]]:\n            yield (g.v[x],y)\n    iterator `[]`*[T](g: UnWeightedDirectedTableGraph[T] or UnWeightedUnDirectedTableGraph[T], x: T): T = \n        for x in g.graph[g.toi[x]]:\n            yield g.v[x]\n\n"
# source: https://github.com/kemuniku/cplib/tree/main/src/cplib/graph/SCC.nim
ImportExpand "cplib/graph/SCC" <=== "when not declared CPLIB_GRAPH_SCC:\n    const CPLIB_GRAPH_SCC* = 1\n    import sequtils\n    proc SCC*(G: UnweightedDirectedGraph or UnWeightedDirectedStaticGraph): seq[seq[int]] =\n        var postorder = newseqwith(len(G), -1)\n        var used = newSeqWith(len(G), false)\n        var count = len(G)-1\n\n        proc fdfs(x: int) =\n            for i in G[x]:\n                if not used[i]:\n                    used[i] = true\n                    fdfs(i)\n            postorder[count] = x\n            count -= 1\n\n        for i in 0..<len(G):\n            if not used[i]:\n                used[i] = true\n                fdfs(i)\n\n        var gout = newseq[seq[int]](len(G))\n        for i in 0..<len(G):\n            for j in G[i]:\n                gout[j].add(i)\n        var group: seq[seq[int]]\n        used = newSeqWith(len(G), false)\n        count = 0\n\n        proc sdfs(x: int) =\n            group[count].add(x)\n            for i in gout[x]:\n                if not used[i]:\n                    used[i] = true\n                    sdfs(i)\n        for i in postorder:\n            if not used[i]:\n                used[i] = true\n                group.add(@[])\n                sdfs(i)\n                count += 1\n        return group\n    proc SCCG*[UG](G: UG): (UG, seq[int], seq[seq[int]]) =\n        when UG isnot UnWeightedDirectedGraph and UG isnot UnWeightedDirectedStaticGraph:\n            raise newException(Exception, \"Type must be UnweightedDirectedGraph or UnweightedDirectedStaticGraph\")\n        var group = SCC(G)\n        var i_to_group = newSeqWith(len(G), -1)\n        for i in 0..<len(group):\n            for j in group[i]:\n                i_to_group[j] = i\n        proc initUG[UG](N: int): UG =\n            when UG is UnWeightedDirectedGraph: result = initUnWeightedDirectedGraph(N)\n            when UG is UnWeightedDirectedStaticGraph: result = initUnWeightedDirectedStaticGraph(N)\n        var newG = initUG[UG](len(group))\n        for i in 0..<len(G):\n            for j in G[i]:\n                if i_to_group[i] != i_to_group[j]:\n                    newG.add_edge(i_to_group[i], i_to_group[j])\n        when UG is UnWeightedDirectedStaticGraph: newG.build\n        return (newG, i_to_group, group)\n"

# {.checks: off.}

# とりあえず区間に辺を貼ったグラフを作って、最短路を計算する
# その流れでなんかいい感じに処理できそう（適当）
var n, m = input(int)
var x, l, r, c = newSeq[int]()
var xlrc = newSeq[(int, int, int, int)]()
for i in 0..<m:
    var xi, li, ri, ci = input(int)
    x.add(xi - 1)
    l.add(li - 1)
    r.add(ri)
    c.add(ci)
    xlrc.add((xi-1, li-1, ri, ci))

var dist: seq[int]
var cnt: seq[int]
var k = 1
while k < n:
    k *= 2
var g = newSeqWith(n, newSeq[int]())
for i in 0..<m:
    g[x[i]].add(i)

block:
    var gs = initUnWeightedDirectedGraph(2*k)
    for i in 1..<k:
        gs.add_edge(i, 2*i)
        gs.add_edge(i, 2*i+1)
    for u in 0..<n:
        for i in g[u]:
            var (_, l, r, c) = xlrc[i]
            if c != 0: continue
            while l < r:
                var tz = l.countTrailingZeroBits
                var p = k + l
                var add = 1
                for i in 0..<tz:
                    if l + add * 2 > r: break
                    add *= 2
                    p //= 2
                if k+u == p:
                    print("Too Many")
                    quit()
                gs.add_edge(k+u, p)
                l += add
    var scc = gs.SCC
    if scc.len != gs.len:
        print("Too Many")
        quit()

block:
    dist = newSeqWith(2*k+1, INFL)
    cnt = newSeqWith(2*k+1, 0)
    var start = newSeq[int](2*k+1)
    for i in 0..<k:
        start[k+i] = i
    for i in countdown(k-1, 1):
        start[i] = start[2*i]
    var seen = newSeqWith(2*k+1, false)
    var q = initHeapQueue[(int, int, int)]()
    q.push((0, start[k], k))
    dist[k] = 0
    cnt[k] = 1
    while q.len > 0:
        var (di, _, u) = q.pop
        if seen[u]: continue
        debug(u, cnt[u])
        seen[u] = true
        if u < k:
            if chmin(dist[2*u], dist[u]):
                q.push((dist[u], start[2*u], 2*u))
                cnt[2*u] = cnt[u]
            elif dist[2*u] == dist[u]:
                cnt[2*u] += cnt[u]
                cnt[2*u].min = INFL
            if chmin(dist[2*u+1], dist[u]):
                q.push((dist[u], start[2*u+1], 2*u+1))
                cnt[2*u+1] = cnt[u]
            elif dist[2*u+1] == dist[u]:
                cnt[2*u+1] += cnt[u]
                cnt[2*u+1].min = INFL
        else:
            var x = u - k
            for j in g[x]:
                var (_, l, r, c) = xlrc[j]
                while l < r:
                    var tz = l.countTrailingZeroBits
                    var p = k + l
                    var add = 1
                    for i in 0..<tz:
                        if l + add * 2 > r: break
                        add *= 2
                        p //= 2
                    if chmin(dist[p], dist[u] + c):
                        q.push((dist[u] + c, start[p], p))
                        cnt[p] = cnt[u]
                    elif dist[p] == dist[u] + c:
                        cnt[p] += cnt[u]
                        cnt[p].min = INFL
                    l += add
    dist = dist[k..<(k+n)]
debug(dist)
debug(cnt)

var ans = 1
var d = initDefaultDict[int, seq[int]](newSeq[int]())
for i in 0..<n:
    d[dist[i]].add(i)
var seg = newSegWith(n+1, l+r, 0)
var lower = newsegwith(n, l+r, 0)
seg[0] = 1
seg[1] = -1
for key in d.keys.toseq.sorted:
    # var cn = newseqwith(d[k].len, 0)
    # debug(k, d[k], cn)
    # for i in 0..<d[k].len:
        # cn[i] = seg[0..d[k][i]]
        # cn[i] = cnt[u]
    for i in 0..<d[key].len:
        var u = d[key][i]
        var cnt = cnt[u+k]
        debug(u, cnt)
        for i in g[u]:
            var (_, l, r, _) = xlrc[i]
            var mul = (r - l) - lower[l..<r]
            if mul > INFL // cnt:
                print("Too Many")
                quit()
            ans += mul * cnt
            if ans > pow(10, 18):
                print("Too Many")
                quit()
    for i in 0..<d[key].len:
        var u = d[key][i]
        var cnt = cnt[u+k]
        for i in g[u]:
            var (_, l, r, _) = xlrc[i]
            seg[l] = seg[l] + cnt
            seg[r] = seg[r] - cnt
    for u in d[key]:
        lower[u] = 1
print(ans)