#include <stdio.h>
int main(){
int n;
scanf("%d", &n);
printf("%d\n", n*n*n);
return 0;
}
#include <iostream>
using namespace std;
int main(){
int n;
cin >> n;
cout << n*n*n << endl;
return 0;
}
import java.util.*;
class Main {
public static void main(String[] args){
Scanner s = new Scanner(System.in);
int n = s.nextInt();
System.out.println(n*n*n);
}
}