import java.util.Scanner;

public class Main {
  static public void main(String args[]){
  	Scanner scan = new Scanner(System.in);
  	
  	int x = scan.nextInt();
  	
  	int result = 0;
  	
  	result = (int)Math.pow(x,3);
  	System.out.println(result);
  }
}
/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