static void Main(string[] args)
{
var str = "string";
var p1 = new Printer();
p1.Print(str);
p1 = new ColourPrinter();
p1.Print(str, "Green");
p1.Print(str);
p1 = new PhotoPrinter();
p1.Print(str);
}
static void Main(string[] args)
{
Photo photo = new Photo();
ColorPrinter.Print("Some message", Color.Yellow);
PhotoPrinter.Print(photo);
PhotoPrinter photoPrinter = new PhotoPrinter();
photoPrinter.Print("qwe");
ColorPrinter colorPrinter = new ColorPrinter();
colorPrinter.Print("123");
Console.ReadLine();
}