using System;

using System.Security.Cryptography;

​

public class Program

{

    public static void Main()

    {

        string salt = "ckczppom";

        int hit = 0;

        using (var md5 = new MD5CryptoServiceProvider())

        {

            for (int i = 1; i < int.MaxValue; i++)

            {

                string value = salt + i;

                byte[] data = new byte[value.Length];

                for (int copy = 0; copy < data.Length; copy++)

                    data[copy] = (byte)value[copy];

                byte[] hash = md5.ComputeHash(data);

                if (hash[0] == 0 && hash[1] == 0 && hash[2] == 0)

                {

                    hit = i;

                    break;

                }

            }

        }

​

        Console.WriteLine("Number: " + hit);

    }

}