#include <iostream>
typedef long long ll;
using namespace std;
#define NUM 1000000007
ll num1,  num2;
int main(){
    cin >> num1 >> num2;
    while(num1>NUM) num1 -= NUM;
    while(num2>NUM) num2 -= NUM;
    ll ans = num1*num2;
    while(ans>NUM) ans -= NUM;
    cout << ans << endl;
}