import java.util.Scanner;

class Main {
    public static void main(String args[]) {
        java.util.Scanner key = new java.util.Scanner(System.in);
    int  x = key.nextInt();

        System.out.println((int)Math.pow(x,3));
    }
}
/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