static void Main(string[] args) { try { Console.WriteLine("Input radius for circle: "); double radius = double.Parse(Console.ReadLine()); Circle circle = new Circle(radius); Console.WriteLine($"Parameter of circle: {circle.CalculateParameter()}, Area of circle: {circle.CalculateArea()}"); Console.WriteLine("\nInput height for rectangle:"); double height = double.Parse(Console.ReadLine()); Console.WriteLine("Input width for rectangle:"); double width = double.Parse(Console.ReadLine()); Rectangle rectangle = new Rectangle(height, width); Console.WriteLine($"Parameter of rectangle: {rectangle.CalculateParameter()}, Area of rectangle {rectangle.CalculateArea()}"); } catch (Exception ex) { Console.WriteLine(ex.Message); } Console.ReadLine(); }