#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; using i64 = int_fast64_t; using ui64 = uint_fast64_t; using db = long double; using pii = pair; using pli = pair; using pll = pair; using pdi = pair; template using vct = vector; template using heap = priority_queue; template using minheap = priority_queue, greater>; template constexpr T inf = numeric_limits::max() / 4 - 1; constexpr int dx[9] = {1, 0, -1, 0, 1, -1, -1, 1, 0}; constexpr int dy[9] = {0, 1, 0, -1, 1, 1, -1, -1, 0}; constexpr long double gold = 1.618033988; constexpr long double eps = 1e-15; #define mod 1000000007 #define stdout_precision 10 #define stderr_precision 2 #define itr(i,v) for(auto i = begin(v); i != end(v); ++i) #define ritr(i,v) for(auto i = rbegin(v); i != rend(v); ++i) #define rep(i,n) for(int i = 0; i < (n); ++i) #define all(v) begin(v), end(v) #define rall(v) rbegin(v), rend(v) #define fir first #define sec second #define fro front #define bac back #define u_map unordered_map #define u_set unordered_set #define l_bnd lower_bound #define u_bnd upper_bound #define rsz resize #define ers erase #define emp emplace #define emf emplace_front #define emb emplace_back #define pof pop_front #define pob pop_back #define mkp make_pair #define mkt make_tuple #define popcnt __builtin_popcount struct setupper { setupper() { ios::sync_with_stdio(false); std::cin.tie(nullptr); std::cout.tie(nullptr); std::cerr.tie(nullptr); std::cout << fixed << setprecision(stdout_precision); std::cerr << fixed << setprecision(stderr_precision); // #ifdef Local // std::cerr << "\n---stderr---\n"; // auto print_atexit = []() { // std::cerr << "Exec time : " << clock() / (double)CLOCKS_PER_SEC * 1000.0 << "ms\n"; // std::cerr << "------------\n"; // }; // atexit((void(*)())print_atexit); // #endif } } setupper_; namespace std { template void hash_combine(size_t &seed, T const &key) { seed ^= hash()(key) + 0x9e3779b9 + (seed << 6) + (seed >> 2); } template struct hash> { size_t operator()(pair const &pr) const { size_t seed = 0; hash_combine(seed,pr.first); hash_combine(seed,pr.second); return seed; } }; template ::value - 1> struct hashval_calc { static void apply(size_t& seed, Tup const& tup) { hashval_calc::apply(seed, tup); hash_combine(seed,get(tup)); } }; template struct hashval_calc { static void apply(size_t& seed, Tup const& tup) { hash_combine(seed,get<0>(tup)); } }; template struct hash> { size_t operator()(tuple const& tup) const { size_t seed = 0; hashval_calc>::apply(seed,tup); return seed; } }; } template istream &operator>> (istream &s, pair &p) { return s >> p.first >> p.second; } template ostream &operator<< (ostream &s, const pair p) { return s << p.first << " " << p.second; } template ostream &operator<< (ostream &s, const vector &v) { for(size_t i = 0; i < v.size(); ++i) s << (i ? " " : "") << v[i]; return s; } #define dump(...) cerr << " [ " << __LINE__ << " : " << __FUNCTION__ << " ] " << #__VA_ARGS__ << " : ";\ dump_func(__VA_ARGS__) template void dump_func(T x) { cerr << x << '\n'; } template void dump_func(T x, Rest ... rest) { cerr << x << ","; dump_func(rest...); } template T read() { T x; return cin >> x, x; } template void write(T x) { cout << x << '\n'; } template void write(T x, Rest ... rest) { cout << x << ' '; write(rest...); } void writeln() {} template void writeln(T x, Rest ... rest) { cout << x << '\n'; writeln(rest...); } #define esc(...) writeln(__VA_ARGS__), exit(0) namespace updater { template static void add(T &x, const T &y) { x += y; } template static void ext_add(T &x, const T &y, size_t w) { x += y * w; } template static void mul(T &x, const T &y) { x *= y; } template static void ext_mul(T &x, const T &y, size_t w) { x *= (T)pow(y,w); } template static bool chmax(T &x, const T &y) { return x < y ? x = y,true : false; } template static bool chmin(T &x, const T &y) { return x > y ? x = y,true : false; } }; using updater::chmax; using updater::chmin; template T minf(const T &x, const T &y) { return min(x,y); } template T mixf(const T &x, const T &y) { return max(x,y); } bool bit(i64 n, uint8_t e) { return (n >> e) & 1; } i64 mask(i64 n, uint8_t e) { return n & ((1 << e) - 1); } int ilog(uint64_t x, uint64_t b = 2) { return x ? 1 + ilog(x / b,b) : -1; } template i64 binry(i64 ok, i64 ng, const F &fn) { while (abs(ok - ng) > 1) { i64 mid = (ok + ng) / 2; (fn(mid) ? ok : ng) = mid; } return ok; } template void init(A (&array)[N], const T &val) { fill((T*)array,(T*)(array + N),val); } template void cmprs(A ary[], size_t n) { vector tmp(ary,ary + n); tmp.erase(unique(begin(tmp),end(tmp)), end(tmp)); for(A *i = ary; i != ary + n; ++i) *i = l_bnd(all(tmp),*i) - begin(tmp); } template void cmprs(vector &v) { vector tmp = v; sort(begin(tmp),end(tmp)); tmp.erase(unique(begin(tmp),end(tmp)), end(tmp)); for(auto i = begin(v); i != end(v); ++i) *i = l_bnd(all(tmp),*i) - begin(tmp); } template void for_subset(uint_fast64_t s, const F &fn) { uint_fast64_t tmp = s; do { fn(tmp); } while((--tmp &= s) != s); } struct aaa { i64 x,y,z; aaa () : x(),y(),z() {} aaa (int p,int q,int r) : x(p),y(q),z(r) {} }; auto op=[](aaa p,aaa q) -> aaa { aaa ret; ret.x=(p.x+q.x)%mod; ret.y=(p.y+q.y)%mod; ret.z=(p.z+q.z)%mod; return ret; }; auto updat=[](aaa &x,aaa y,size_t nn) -> void { x.x=(x.x*y.x%mod+x.y*y.y%mod+x.z*y.z%mod)%mod; }; auto laz=[](aaa &y,aaa x) -> void { aaa tmp; tmp.x=x.x*y.x%mod; tmp.y=(x.x*y.y+x.y)%mod; tmp.z=(x.x*y.z+x.z)%mod; y=tmp; }; template struct LazySegtree { using opr_t = function; using lazy_opr_t = function; using update_opr_t = function; const opr_t opr; const lazy_opr_t lazy_opr; const update_opr_t update_opr; const Monoid idel,lazy_idel; Monoid data[N << 1],lazy[N << 1]; bool lazyflag[N << 1]; const size_t n; LazySegtree(size_t n_, Monoid idel_, const opr_t &opr_, const lazy_opr_t &lazy_opr_, const update_opr_t &update_opr_, Monoid lazy_idel_) : n(n_),opr(opr_),lazy_opr(lazy_opr_),update_opr(update_opr_),idel(idel_),lazy_idel(lazy_idel_) { fill(begin(data),end(data),idel); fill(begin(lazy),end(lazy),lazy_idel); } template void copy(P s, P t) { for(size_t i = N; s != t; ++s, ++i) data[i] = *s; for(size_t i = N - 1; i; --i) data[i] = opr(data[i * 2],data[i * 2 + 1]); } template void copy(A &v) { copy(begin(v),end(v)); } void eval(size_t k, size_t l, size_t r) { if(!lazyflag[k]) return; update_opr(data[k],lazy[k],r - l); if(r - l > 1) { lazy_opr(lazy[k * 2],lazy[k]); lazy_opr(lazy[k * 2 + 1],lazy[k]); lazyflag[k * 2] = lazyflag[k * 2 + 1] = true; } lazy[k] = lazy_idel; lazyflag[k] = false; } void update(size_t a, size_t b, T val, size_t k = 1, size_t l = 0, size_t r = N) { eval(k,l,r); if(b <= l || r <= a) return; if(a <= l && r <= b) { lazy_opr(lazy[k],val); lazyflag[k] = true; eval(k,l,r); } else { update(a,b,val,k * 2,l,l + r >> 1); update(a,b,val,k * 2 + 1,l + r >> 1,r); data[k] = opr(data[k * 2],data[k * 2 + 1]); } } Monoid query(size_t a, size_t b, size_t k = 1, size_t l = 0, size_t r = N) { if(b <= l || r <= a) return idel; eval(k,l,r); if(a <= l && r <= b) return data[k]; return opr(query(a,b,k * 2,l,l + r >> 1),query(a,b,k * 2 + 1,l + r >> 1,r)); } }; i64 fib[1<<20]; int n,qry; signed main() { cin>>n>>qry; fib[0]=0; fib[1]=1; rep(i,n) fib[i+2]=(fib[i]+fib[i+1])%mod; aaa zer(0,0,0); aaa one(1,0,0); LazySegtree sg(n,zer,op,laz,updat,one); vector initial(n); for(int i=0; i>q>>l>>r>>k; if(q) { aaa tmp; switch (q) { case 1: tmp={0,0,k}; break; case 2: tmp={1,0,k}; break; case 3: tmp={k,0,0}; break; case 4: tmp={1,k,0}; break; default: break; } sg.update(l,r+1,tmp); } else { cout<