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

namespace ConsoleThrow1
{
    class Program
    {
         private static void KeyinScore(out int score)
         {
               Console.Write("輸入成績( 0 - 100 ) :  ");
               score = int.Parse(Console.ReadLine());
               if (score <= 0 || score >= 100)
               {
                     throw new ArgumentOutOfRangeException();
               }
               else
                     Console.WriteLine("\n輸入的成績合於限定範圍! 進入系統 ...");
           }
        // Main()主程式
        static void Main(string[] args)
        {
              int score;
              while (true)
              {
                   try
                   {
                        KeyinScore(out score);
                        break;
                   }
                   catch (ArgumentOutOfRangeException ex)
                   {
                          Console.WriteLine("不合理成績\n");
                   }
                   catch (Exception ex)
                   {
                         Console.WriteLine("其他種錯誤\n");
                   }
              }
              Console.Read();
        }
    }
}