using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        var data = new byte[] { 0x81, 0x81, 0x62, 0x10 };

        var w = ( BitConverter.ToUInt16( data, 0 ) + 1 ) & 0x3FFF;

        var h = ( BitConverter.ToUInt16( data, 0 ) ) & 0xFFFC000;

        Console.WriteLine( w ); // should be 386

        Console.WriteLine( h ); // should be 395

    }

}