using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("\n= BY: JOSÉ ENRIQUE PADRÓN GÓMEZ =");

            Console.WriteLine(test("if else"));

            Console.WriteLine(test("else"));

            Console.ReadLine();

        }

       public static string test(string s)

        {

            if (s.Length > 2 && s.Substring(0, 2).Equals("if"))

            {

                return s;

            }

            return "if " + s;

        }

  }