#include using namespace std; typedef signed long long ll; #undef _P #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x M; void cprime() { for(int i=2;ii&&j>S; S=S.substr(0,1)+S.substr(2,200000); for(i=1;i<=200001;i++) ret += (S[i-1]-'0')*1LL*prime[i+5]; ll dif=abs(ret-hoge); for(i=1;i<=200001;i++) if(dif % prime[i+5]==0) break; cout<