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

namespace pr2
{

    class Program
    {
        static void Main(string[] args)
        {
            thread2 = new Thread(Write);
            thread2.Start();
            do
            {

                input = Convert.ToInt32(Console.ReadLine());
                if (input == 0)
                {
                    thread2.Abort();
                }


            } while (input != 0);
        }
        private static void Write(object obj)
        {
            do
            {
                    Console.WriteLine("Nr citit anterior este: {0}", input);
                    Thread.Sleep(1000);

            } while (input!=null) ;


        }

        public static Thread thread2 { get; set; }

        static int input { get; set; }

    }


}