取款机系统

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

namespace ConsoleApplication1
{
    
   
    class Program
    {
        
        static void Main(string[] args)
        {
            int total = 1000;
            string pwd = "123456";
            int i=0;
            
                
            Console.WriteLine("请输入你的密码：");
            string s = Console.ReadLine();
            if (pwd == s)
            {
                Console.WriteLine("******************************");
                Console.WriteLine("欢迎光临**银行自动取款系统");
                Console.WriteLine("请输入你的选项：");
                Console.WriteLine("1,取款2.查询余额3.修改密码：※脱※敏※.退卡");
              // string  Console.ReadLine();
                string choose=Console.ReadLine();