import java.util.Scanner;

class Main {
    int x;
    public void suzuki(){

        Scanner sc = new Scanner(System.in);

        x = sc.nextInt();

        System.out.println(x * x * x);
    }
    public static void main(String[] args) {

        new Main().suzuki();
    }

}
/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