#include <algorithm>
#include <cmath>
#include <deque>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <string>
#include <unordered_map>
#include <vector>

using namespace std;
using ll = long long;

ll mod = 1000000007;

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

    ll A, B;
    cin >> A >> B;
    cout << (((A % mod) * (B % mod)) % mod) << endl;

    return 0;
}