using System;

public class Program

{

    public static void Main()

    {

        // Console.WriteLine("Hello World");

        byte[] mac = new byte[6];

        for (int x = 0; x < 6; ++x)

        {

            mac[x] = (byte)(RandomNumber((int)0xFFFF, (int)0xFFFFFF) % 256);

        }

        for (int x = 0; x < 6; ++x)

        {

            Console.WriteLine("Hello World " + mac[x]);

        }

    }

    //Function to get random number

    public static int RandomNumber(int min, int max)

    {

        Random random = new Random();

        return random.Next(min, max);

    }

}