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

    namespace ConsoleApp18
    {
        class Kolejka
        {
            int[] tablica = new int[0];
            int ile = 0;
            public void Push(int x)
            {
            int[] nowa = new int[ile + 1];
            for (int i = 0; i < ile; i++) nowa[i] = tablica[i];
            nowa[ile] = x;
            tablica = nowa;
            ile++;  
            }

            public void Show()
            {
            for (int i = 0; i < ile; i++) Console.WriteLine(tablica[i]);
            }
        }

        class Program
        {
            static void Main(string[] args)
            {
            Kolejka kolejka = new Kolejka();
            kolejka.Push(5);
            kolejka.Push(3);
            kolejka.Push(4);
            kolejka.Push(1);
            kolejka.Show();


                Console.ReadKey();
            }
        }
    }