#include #include #include #include #include #include #include #include #include using namespace std; #define FOR(i,a,b) for (int i=(a);i<(b);i++) #define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--) #define REP(i,n) for (int i=0;i<(n);i++) #define RREP(i,n) for (int i=(n)-1;i>=0;i--) #define INF 1<<30 #define MP make_pair #define mp make_pair #define pb push_back #define PB push_back #define DEBUG(x) cout<<#x<<": "<>s1>>s2; ll n=0,m=0; REP(i,s1.size()) n = (n*10+s1[i]-'0')%MOD; REP(i,s2.size()) m = (m*10+s2[i]-'0')%(MOD-1); if(s2.size()==1 && m==0) {cout<<1<