using System;

// using System.Collections.Generic;

// using System.Data;

// using System.Data.Common;

// using System.Linq;

// using System.Threading.Tasks;

​

public class Program

{

    public static void Main()

    {

        byte rawStatusFlags = 0xFF;

        const byte usedFlagsMask = 0x3F;

        var updated = (rawStatusFlags & usedFlagsMask);

        Console.WriteLine(Convert.ToString(rawStatusFlags, 16));

        Console.WriteLine(Convert.ToString(updated, 16));

    }

}