using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

    Double number,total_numbet,next_number,inverted_number;

    Console.WriteLine ("enter_a_three_digit_number");

   number = Double.Parse (Console.ReadLine ()); 

   total_number = number /100+number /10%10+number %10;

   next_number = number +1;

   inverted_number = number %10*100+(number /10%10)*10+number /100;

   Console.WriteLine ("the_total_number_is{0}",total_number );

   Consile.WriteLine ("the_next_number_is{0}",next_number );

   Console.WriteLine ("the_inverted_number_is {0}",inverted_number );

}