#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;

constexpr int P = 1000000007;

int main() {
    int64_t a, b;
    cin >> a >> b;

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

    return 0;
}