package no3026;

import java.util.Scanner;

public class Main {

	public static long MOD = 1000000007;
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		System.out.println(cube(n));
	}
	public static long cube(long n) {
		return n * n % MOD * n % MOD;
	}
}