import java.util.Scanner;
public class Main{
    int x,kei;
    public void solve(){
        Scanner sc = new Scanner(System.in);
        x = sc.nextInt();
        kei = x*x*x;
        System.out.print(kei+"\n");
        
    }
    public static void main(String[] args){
        Main obj = new Main();
        obj.solve();
    }
}
/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