using System;
using System.Collections.Generic;
using System.Linq;
 
public class Test
{
	public static void Main()
	{
		  List<String> lsta = new List<String>() { "estilo.css", "ada.asp", "ede.asp" };
          List<String> lstb = new List<String>() { "kkk.asp","odo.asp", "ada.asp", "ede.asp" };
 
           var resultado = lsta.Except(lstb);
 
            foreach (var item in resultado)
            {
                Console.WriteLine(item);
            }
	}
}

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