using System;

namespace exercises

{

    public class Program

    {

     public static void Main(string[] args)

        {

            Console.WriteLine("Name: JENIFER CARDENAS GOMEZ");

            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;

      }  } }

​