#include <iostream>

typedef long long ll;

using namespace std;

ll num1,  num2;

void solve(){
    while(num1>1000000007){
        num1 -= 1000000007;
    }

    while(num2>1000000007){
        num2 -= 1000000007;
    }
    ll ans = num1*num2;
    while(ans>1000000007){
        ans -= 1000000007;
    }
    cout << ans << endl;
}

int main(){
    cin >> num1 >> num2;

    solve();
}