using System;

namespace _0602HW03

{

    class Program

    {

        static void Main(string[] args)

        {

            Console.WriteLine("請輸入數字: ");

            string x = Console.ReadLine();

            string[] sArray = x.Split(',');

            int[] intArray = new int[sArray.Length];

            for (int i = 0; i < sArray.Length; i++)

            {

                intArray[i] = int.Parse(sArray[i]);

            }

            for (int j = intArray.Length - 1; j >= 0; j--)

            {

                Console.Write($"{intArray[j]}");

​

                if (j != 0)

                {

                    Console.Write($",");

                }

            }

            Console.ReadLine();

        }

​

    }

}