#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define endl "\n"
#define rep(i, a, n) for (int i = a; i < n; ++i)
#define MOD 1000000007

int main() {
    ll a, b;
    cin >> a >> b;

    cout << a * b % MOD << endl;

    return 0;
}