#include<bits/stdc++.h>
using namespace std;
#define int long long

signed main(){
	int n;
	cin >> n;
	int ans = 1;
	int mod = 1e9 + 7;
	for(int i = 0; i < 3; i++){
		ans = (ans * n) % mod;
	}
	cout << ans << endl;
}