import java.util.Scanner;
public class Main{
	int a;
	public void input(){
		Scanner scan = new Scanner(System.in);
		a = scan.nextInt();
	}
	public void output(){
		System.out.println(a*a*a);
	}
	public static void main(String[] args){
		Main p = new Main();
		p.input();
		p.output();
	}
}
/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