using System;

public class Program

{

    public static void Main()

    {

        int num, sum, next, reversed;

        Console.Writeline("enter the num");

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

        sum=num%10+num/10%10+num/100;

        Console.WriteLine("the sum is{0}",sum);

        next=num+1;

        Console.WriteLine("the next num is{0}", next); 

        reversed-(num%10)*100+(num/10%10)*10+num/100;

        Console.WriteLine("the num reversed is{0}",reversed);

        Console.WriteLine("Hello World");

    }

}