#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define rep(i,a) for(int i=0;i<(a);i++)
#define MOD 1000000007

int main(){
  ll A,B; cin>>A>>B;
  cout<<A*B%MOD<<endl;
  return 0;
}