#include <iostream>
#include <string>
using namespace std;

#define p(x) cout << x << endl;
#define el cout << endl;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);

    long a, b;
    cin >> a >> b;

    long ans = a * b;
    ans = ans % 1000000007;

    cout << ans << endl;
}