public static void Main(string[] args)
{
AirPlane.Flight();
Helicopter.Flight();
Ufo.Flight();
FileStream fs = File.Open("../../Key.snk", FileMode.Open);
StrongNameKeyPair k = new StrongNameKeyPair(fs);
Console.WriteLine($"\nPublic key:\n{BitConverter.ToString(k.PublicKey)}");
fs.Close();
Console.ReadKey();
}