import java.util.Scanner;

public class Main{
	int x;
	int ans;
	
	public void shori(){
		Scanner sc = new Scanner(System.in);
		x = sc.nextInt();
		ans = x*x*x;
		System.out.println(ans);
		sc.close();
	}
	public static void main(String[] args){
		Main obj =  new Main();
		obj.shori();
	}
}
/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