#include<iostream>
#include<string>
#include<algorithm>
#include<vector>
#include<queue>
#include<stack>
#include<cmath>
#include<cstdlib>
#include<ctime>
using namespace std;
typedef long long ll;
int main() {
	ll a, b;
	cin >> a >> b;
	cout << a * b % 1000000007 << endl;
	return 0;
}