public static void Main()
{
_validator = new ConsoleInputValidator();
// Task B
var sideLength = _validator.GetIntegerInput("Input square side length: ", 0, int.MaxValue);
var square = new Square(sideLength);
Console.WriteLine(square.ToString());
// Task C
var name = _validator.GetStringInput("What is your name?");
var age = _validator.GetIntegerInput("How old are you?", 0, int.MaxValue);
var person = new Person(name, age);
Console.WriteLine(person.ToString());
// Task D
var radius = _validator.GetDoubleInput("Input radius: ", 0, double.MaxValue);
var circle = new Circle(radius);
var sphere = new Sphere(radius);
Console.WriteLine($"Area= {circle.Area} Volume= {sphere.Volume} ");
Console.ReadKey();
}