Find greatest number without using relational operator in C#

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace GreatestNo

{

    class Program

    {

        static void Main(string[] args)

        {

           

            Console.WriteLine("Max no.{0}", getMax(Convert.ToInt32(Console.ReadLine()), Convert.ToInt32(Console.ReadLine())));

            Console.ReadLine();

        }

        static int getMax(int a, int b)

        {

            int c = a - b;

            int k = (c >> 31) & 0x1;

            int max = a - k * c;

            return max;

        }

    }

}

 
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