stack

using System;
using System.Collections.Generic;

namespace _1
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = 5;
            Stack<int> stack = new Stack<int>();

            for (int i = 0; i < n; i++)
            {
                int x = int.Parse(Console.ReadLine());
                stack.Push(x);
            }

            while (stack.Count > 0)
            {
                int y = stack.Pop();
                Console.Write(y);

            }
        }
    }
}