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

namespace demo
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine(1000);
            Console.WriteLine(2000);
            Console.WriteLine(3000);
            Console.WriteLine(4000);
            Console.WriteLine(5000);
            Console.WriteLine(6000);
            Console.ReadKey();
        }
    }
}
本文转自TBHacker博客园博客，原文链接：http://www.cnblogs.com/jiqing9006/p/6753377.html，如需转载请自行联系原作者