import java.io.*;
import java.util.Scanner;

class Main {
   public static void main(String[] args) {
       Scanner in = new Scanner(System.in);
       int    x = in.nextInt();
       System.out.println(x*x*x);
   }
} 
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz