C#字符串颠倒输出

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

namespace ConsoleApplication6
{
    class Program
    {
        static void Main(string[] args)
        {
            string k = "";
            k = Console.ReadLine();
            for (int i = k.Length - 1; i >= 0; i--)
                Console.Write(k[i]);
            Console.ReadLine();

        }
    }
}

　　连续输入几个字符，按enter显示结果