using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        List<string>  referralTypes = new List<string> {"DESA"};

        List<string>  allowedTypes = new List<string> {"DESA", "DESB", "PRO6", "DIG6", "PNE5"};

        if(referralTypes.Except(allowedTypes).Any())

        {

            Console.WriteLine("Included");

        }

        else

        {

            Console.WriteLine("Not included");

            var types = referralTypes.Except(allowedTypes);

            foreach(var t in types)

            {

                Console.WriteLine(t);

            }

        }

    }

}