#include<bits/stdc++.h>
#define MOD 1000000007
#define rep(i,n)for(int i=0;i<(n);i++)
using namespace std;
typedef long long ll;

int main() {
	ll n; cin >> n;
	ll a = 1;
	rep(i, 3)a = (a*n) % MOD;
	cout << a << endl;
}