using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Tach Oooch");

        var test = new LinkedList<string>();

        test.AddLast("1");

        test.AddLast("2");

        test.AddLast("3");

        Console.WriteLine(string.Join(" / ", test.ToArray()));

        Console.WriteLine(string.Join(" / ", test.Take(1).ToArray()));

    }

}