import java.util.Scanner;

class Main{
    int x,y;
        
    public void solve(){
        Scanner sc = new Scanner(System.in);
        x = sc.nextInt();
        y = x * x * x;
        System.out.println(y);
        
    }
    
    
    public static void main(String[] args){
        
        new Main().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