import java.util.Scanner;
	class Main{

		public static void main(String[] args){
	Scanner sc=new Scanner(System.in);
long x;
x = sc.nextInt();
long g;
g=x*x*x;
System.out.println(g);

	
	}
	}
/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