#include<iostream>
#include<string>
#include<algorithm>
#include<cmath>
#include<iomanip>
#include<cstring>
#include<map>
#include<vector>
#include<queue>
#include<climits>
#include<set>
#include<utility>
using namespace std;
typedef long long int ll;

int main(){

	ll a, b;
	cin >> a >> b;
	a%=1000000007;
	b%=1000000007;
	cout << (a*b)%1000000007 << endl;

	return 0;
}