using System;

​

public class Program

{

    public static void Main()

    {

            int num;

        Console.WriteLine("enter a number with 3 digits");

        num=int.Parse(Console.ReadLine());

    int h=num/100;

    int ash=num%100/10;

        int ah=num%10;

if(Math.Pow(h+ash+ah,3)==num)

{

            Console.WriteLine("some remarkable charactiristics");

        Console.WriteLine(num); 

    Console.WriteLine(Math.Pow(h+ash+ah,3));

}

        else

        {

        Console.WriteLine("ERROR");

                Console.WriteLine(Math.Pow(h+ash+ah,3)-num);

        }

    }

}