import java.util.Scanner;
public class Main {
	void scanX(){
		Scanner s = new Scanner(System.in);
		int x = s.nextInt();
		System.out.println(x*x*x);
	}
	public static void main(String args[]){
		Main m1 = new Main();
		m1.scanX();
	}

}
/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