#include using namespace std; typedef long long LL; #define CIN_ONLY if(1) struct cww{cww(){ CIN_ONLY{ ios::sync_with_stdio(false);cin.tie(0); } }}star; #define fin "\n" #define FOR(i,bg,ed) for(int i=(bg);i<(ed);i++) #define REP(i,n) FOR(i,0,n) #define ALL(v) (v).begin(),(v).end() #define fi first #define se second #define pb push_back #define DEBUG if(0) #define REC(ret, ...) std::function template inline bool chmin(T &l,T r) {bool a=l>r;if(a)l=r;return a;} template inline bool chmax(T &l,T r) {bool a=l istream& operator>>(istream &is,vector &v){ for(auto &it:v)is>>it; return is; } const int mod=1e9+7; const LL f[]={1,682498929,491101308,76479948,723816384,67347853,27368307,625544428,199888908,888050723,927880474,281863274,661224977,623534362,970055531,261384175,195888993,66404266,547665832,109838563,933245637,724691727,368925948,268838846,136026497,112390913,135498044,217544623,419363534,500780548,668123525,128487469,30977140,522049725,309058615,386027524,189239124,148528617,940567523,917084264,429277690,996164327,358655417,568392357,780072518,462639908,275105629,909210595,99199382,703397904,733333339,97830135,608823837,256141983,141827977,696628828,637939935,811575797,848924691,131772368,724464507,272814771,326159309,456152084,903466878,92255682,769795511,373745190,606241871,825871994,957939114,435887178,852304035,663307737,375297772,217598709,624148346,671734977,624500515,748510389,203191898,423951674,629786193,672850561,814362881,823845496,116667533,256473217,627655552,245795606,586445753,172114298,193781724,778983779,83868974,315103615,965785236,492741665,377329025,847549272,698611116 }; int main(){ /* LL ret=1; cout<<1<<","; FOR(i,2,1000000001){ ret=ret*i%mod; if(i%10000000==0)cout<>n; if(n>=mod)cout<<0<