import java.util.Scanner;

/**
 * Created by ui on 2016/02/03.
 */
 class XCubic {
     

     static void run () {
        int xc = readInput();
        printCubic(xc);
    }
     static int readInput() {
        Scanner sc = new Scanner(System.in);
        return sc.nextInt();
    }
     static void printCubic (int x){
        System.out.println(x*x*x);
    }
}
public class Main {
    public static void main(String[] args) {
        XCubic.run();
    }
}
/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