static void Main(string[] args)
{
Punkt p1 = new Punkt(2, 5);
Punkt p2 = p1;
p1.X = 123;
p1.Info();
Console.WriteLine(p2.ToString());
Prostokat pr1 = new Prostokat(2, 7);
Prostokat pr2 = pr1;
//Console.WriteLine(pr1.ToString());
//Console.WriteLine(pr2.ToString());
//Console.WriteLine(pr1.ob());
//Console.WriteLine(pr1.pole());
Kwadrat kw1 = new Kwadrat(4);
//Console.WriteLine(kw1.ToString());
pr1.Info();
kw1.Info();
Prostokat pr3 = new Kwadrat(5);
pr3.Info();
}