#include<iostream>
#include<vector>
#include<algorithm>
#include<cmath>
#include<string>

using namespace std;
int main(){
	long long a ,res;
	cin >> a;
	res = a;
	res *= a;
	res  = res % 1000000007LL;
	res *= a;
	res = res %  1000000007LL;
	cout << res << endl;
}