import java.util.*;

public class Main{
	public static void main(String[] args){
		//new Main().printHelloWorld();
		System.out.println(new Main().ITP1_1_B(Integer.parseInt(new Scanner(System.in).next())));
	}

	public void printHelloWorld(){
		System.out.println("Hello World");
	}

	public int ITP1_1_B(int x){
		return x*x*x;
	}
}
/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