#include <bits/stdc++.h>
using namespace std;
#define i64 long long
#define rep(i,s,e) for(int (i) = (s);(i) <= (e);(i)++)

i64 MOD = 1e9 + 7;

int main(){
    i64 a,b;
    cin >> a >> b;
    cout << (a * b) % MOD << endl;
}