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

int main() {
    
    long long a,b,ans;
    cin >> a >> b;
    a %= 1000000007;
    b %= 1000000007;
    ans = (a * b)%1000000007;
    
    cout << ans << endl;
    return 0;
}