运营商电话

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

namespace 运营商电话
{
    class Program
    {
        static void Main(string[] args)
        {

            Console.Write("");

            string a = Console.ReadLine();

            switch (a)
            {
                case "10086":

                    Console.WriteLine("移动运营商电话");

                    break;

                case "10010":

                    Console.WriteLine("联通运营商电话");

                    break;

                case "10000":

                    Console.WriteLine("电信运营商电话");

                    break;

                default:             

                    Console.WriteLine("Sorry");

                    break;
                    
            }

            Console.ReadLine();
        }
    }
}