using System.Collections;
namespace Lesson2_Stack练习题
{
    internal class Program
    {
        static void Main(string[] args)
        {
            Console.Write("输入一个数字:");
            int num = int.Parse(Console.ReadLine());
            Stack bio = new Stack();
            while (num != 0)
            {
                int r = num % 2;
                bio.Push(r);
                num /= 2;
            }
            Console.Write("你输入的数字二进制为:");
            while (bio.Count > 0)
            {
                Console.Write(bio.Pop());
            }
        }
    }
}