using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace lab3_zad1
{
    public class List
    {
        List next;
        public object val;

        public void Add(object val)
        {
            if (next != null) { next.Add(val); }
            else
            {
                this.next = new List();
                this.next.val = val;
            }
        }
        public object Top() { return this.val; }

    }
    class Program
    {
        static void Main(string[] args)
        {
            List l = new List();
            l.Add(497387);
            l.Add(8);
            Console.WriteLine(l.Top());
        }
    }
}