static void Main(string[] args)
{
Shape undefShape = new Shape();
Console.WriteLine(undefShape.NameOfShape());
Console.WriteLine(undefShape.AmmountOfSides());
Console.WriteLine(undefShape.Area());
Console.WriteLine(undefShape.Circumference());
Console.WriteLine(undefShape.AStringIwantToKeep());
Console.WriteLine("----------");
//undefShape.NumberOfSides = 3; This shouldn't work. And it doesn't. So it works as expected.
Line line = new Line();
Console.WriteLine(line.NameOfShape());
Console.WriteLine(line.AmmountOfSides());
Console.WriteLine(line.Area());
Console.WriteLine(line.Circumference());
Console.WriteLine(line.AStringIwantToKeep());
Console.WriteLine("----------");
Square firstSquare = new Square();
firstSquare.A = 5;
firstSquare.B = 10;
Console.WriteLine(firstSquare.NameOfShape());
Console.WriteLine(firstSquare.AmmountOfSides());
Console.WriteLine(firstSquare.Area());
Console.WriteLine(firstSquare.Circumference());
Console.WriteLine(firstSquare.AStringIwantToKeep());
firstSquare.A = 15;
Console.WriteLine(firstSquare.Area());
Console.WriteLine(firstSquare.Circumference());
Console.WriteLine("----------");
Square secondSquare = new Square(7, 2);
Console.WriteLine(secondSquare.NameOfShape());
Console.WriteLine(secondSquare.AmmountOfSides());
Console.WriteLine(secondSquare.Area());
Console.WriteLine(secondSquare.Circumference());
Console.WriteLine(secondSquare.AStringIwantToKeep());
secondSquare.A = 15;
Console.WriteLine(secondSquare.Area());
Console.WriteLine(secondSquare.Circumference());
Console.ReadLine();
}