import java.util.Scanner;

public class Main {
	  public static void main(String args[]) {
		    Scanner scanner = new Scanner(System.in);

		    int N = scanner.nextInt();
		    System.out.println(N * N * N);
        	scanner.close();}
		  }


/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