#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <iomanip>
#include <stack>
#include <algorithm>
#include <string>
#include <map>
#include <iterator>
#include <set>
#include <queue>
#include <bitset>
#include <cassert>

using namespace std;


int main() {

    long M = 1000000007;

    long A,B;
    cin>>A>>B;

    cout << (A%M * B%M)%M << endl;

    return 0;
}