using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;
namespace CSharp
{
  class Program
  {
    static void Main(string[] args)
    {
      Stack stk = new Stack();//先进后出
      do
      {
        Console.Write("请输入一个字符串:");
        stk.Push(Console.ReadLine());//压入
        Console.WriteLine();
        Console.WriteLine("是否要继续?");
      } while (Console.ReadLine() == "y");
      //不用做任何操作
      Console.WriteLine("倒序输出");
      foreach (string t in stk)
      {
        Console.WriteLine(t);
      }
    }
  }
}