using System;

public class Program
{
    public static void Main()
    {
        Console.WriteLine("Enter UUID:");
        string input = Console.ReadLine();

        if (Guid.TryParse(input, out Guid guid))
        {
            byte[] bytes = guid.ToByteArray();
            Console.WriteLine("Byte array in hex:");
            foreach (byte b in bytes)
            {
                Console.Write($"{b:X2} ");
            }
        }
        else
        {
            Console.WriteLine("Invalid UUID format.");
        }
    }
}