import macros;macro ImportExpand(s:untyped):untyped = parseStmt($s[2])
import macros
macro Please(x): untyped = nnkStmtList.newTree()

Please use Nim-ACL
Please use Nim-ACL
Please use Nim-ACL



import macros
# {.checks: off.}
{.warning[UnusedImport]: off.}
{.hint[XDeclaredButNotUsed]: off.}
import os
import algorithm
import sequtils
import tables
import macros
import std/math
import sets
import strutils
import strformat
import sugar
import streams
import deques
ImportExpand "competitive/std/std.nim" <=== "import math\nimport strformat\nimport macros\nimport strutils\nwhen not declared COMPETITIVE_STD_STD_HPP:\n    const COMPETITIVE_STD_STD_HPP* = 1\n    const MODINT998244353* = 998244353\n    const MODINT1000000007* = 1000000007\n    let INF* = 100100111\n    let INFL* = int(3300300300300300491)\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                    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`*[T](x: seq[T]): string = return x.join(\" \")\n    proc `fmtprint`*(x: int or string or char): string = return $x\n    proc `fmtprint`*(x: float or float32 or float64): string = return &\"{x:.16f}\"\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    proc inner_debug*(x: auto) = print((f: stderr, sepc: \"\", endc: \"\", flush: true), x)\n    macro debug*(n: varargs[typed]): untyped =\n        result = newNimNode(nnkStmtList, n)\n        for i in 0..n.len-1:\n            if n[i].kind == nnkStrLit:\n                result.add(newCall(\"inner_debug\", n[i]))\n                result.add(newCall(\"inner_debug\", newStrLitNode(\": \")))\n                result.add(newCall(\"inner_debug\", n[i]))\n            else:\n                result.add(newCall(\"inner_debug\", toStrLit(n[i])))\n                result.add(newCall(\"inner_debug\", newStrLitNode(\": \")))\n                result.add(newCall(\"inner_debug\", n[i]))\n            if i != n.len-1:\n                result.add(newCall(\"inner_debug\", newStrLitNode(\", \")))\n            else:\n                result.add(newCall(\"inner_debug\", newStrLitNode(\"\\n\")))\n    proc `%`*(x:int, y:int):int = (((x mod y) + y) mod y)\n    proc `//`*(x:int, y:int):int =    ((x - (x%y)) div y)\n    proc `^`*(x:int, y:int):int = x xor y\n    proc `&`*(x:int, y:int):int = x and y\n    proc `|`*(x:int, y:int):int = x or y\n    proc `>>`*(x:int, y:int):int = x shr y\n    proc `<<`*(x:int, y:int):int = x shl y\n    proc `%=`*(x:var int, y:int):void = x = x % y\n    proc `//=`*(x:var int, y:int):void = x = x // y\n    proc `^=`*(x:var int, y:int):void = x = x ^ y\n    proc `&=`*(x:var int, y:int):void = x = x & y\n    proc `|=`*(x:var int, y:int):void = x = x | y\n    proc `>>=`*(x:var int, y:int):void = x = x >> y\n    proc `<<=`*(x:var int, y:int):void = x = x << y\n    proc `[]`*(x:int,n:int):bool = (x and (1 shl n)) != 0\n    proc pow*(a, n: int, m = INFL): int =\n        var rev: int = 1\n        var a = a\n        var n = n\n        while n > 0:\n            if n % 2 != 0:\n                rev = (rev * a) mod m\n            if n > 1:\n                a = (a * a) mod m\n            n >>= 1\n        return rev\n    proc sqrt*(x: int): int =\n        assert(x >= 0)\n        var rev = int(sqrt(float(x)))\n        while rev * rev > x:\n            rev += 1\n        while (rev+1) * (rev+1) <= x:\n            rev += 1\n        return rev\n    proc chmax*[T](x: var T, y: T): bool =\n        if x < y:\n            x = y\n            return true\n        return false\n    proc chmin*[T](x: var T, y: T): bool =\n        if x > y:\n            x = y\n            return true\n        return false\n    proc at*(x:char, a = '0'):int=int(x)-int(a)\n    converter tofloat*(n:int):float = float(n)\n    converter tobool*(n:int):bool = n != 0\n    converter tobool*[T](a:seq[T]):bool = a.len != 0\n    iterator range*(start:int,ends:int,step:int): int =\n        var i = start\n        if step < 0:\n            while i>ends:\n                yield i\n                i += step\n        elif step > 0:\n            while i<ends:\n                yield i\n                i += step\n    iterator range*(ends:int):int=(for i in 0..<ends:yield i)\n    iterator range*(start:int,ends:int):int= (for i in start..<ends: yield i)\n    let DXY* = [(0, -1), (0, 1), (-1, 0), (1, 0)]\n    discard\n"


var a,p,q = input(string)
if a == "0":
    if p == "0" and q == "0": print("No")
    if (p == "-" & q) or (q == "-" & p): print("No")
    else: print("Yes")
    quit()
if p == q:
    print("No")
else:
    print("Yes")