#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < n; ++i)
using ll = long long;
using namespace std;
const int INF = 1e9;
const int MOD = INF + 7;

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

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

    return 0;
}