求3个数中的最大数

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

namespace ConsoleApplication1
{
    class Class1
    {
        static void aaa(string[] args)
        {
            int a, b, c,d,max;
            Console.Write("请输入三个数：");
            string a1 = Console.ReadLine();
            string b1 = Console.ReadLine();
            string c1 = Console.ReadLine();

            a = Convert.ToInt32(a1);
            b = Convert.ToInt32(b1);
            c = Convert.ToInt32(c1);
            d = a > b ? a : b;
            max = d > c ? d : c;
            Console.WriteLine("三个数中最大的数是"+max);





        }
    }
}