#include <bits/stdc++.h>
#include<atcoder/all>
using namespace atcoder;
using namespace std;
using ll=long long;
using ld=long double;
ll mod=1000000007;
ll inf=1000000000000000000;
int main(){
    ll a,b;
    cin >> a >> b;
    cout << (a*b)%mod << endl;
}