using System;
public class Program
{
public static void Main()
Console.WriteLine(test("if else"));
Console.WriteLine(test("else"));
Console.WriteLine("Made by Obed Iñaki Uresti Almanza");
}
public static string test(string s)
if (s.Length > 2 && s.Substring(0, 2).Equals("if"))
return s;
return "not " + s;