static void Main()
{
string line = "\n-/-/-/-/-/-/-/-/-\n";
Car car = new Car("BMW", "1111", "200");
SportsCar sportsCar = new SportsCar("Audi", "1111", "350", "Red");
Taxi taxi = new Taxi("Mercedes", "3333", "100", "5");
Console.WriteLine(car.displayInformationAboutTheCar(car.Name));
Console.WriteLine(line);
Console.WriteLine(car.displayInformationAboutTheCar(car.Name, car.Number));
Console.WriteLine(line);
Console.WriteLine(car.displayInformationAboutTheCar(car.Name, car.Number, car.Speed));
Console.WriteLine(line);
Console.WriteLine(sportsCar.displayInformationAboutTheCar(sportsCar.Name, sportsCar.Number, sportsCar.Speed));
Console.WriteLine(line);
Console.WriteLine(taxi.displayInformationAboutTheCar(taxi.Name, taxi.Number, taxi.Speed));
Console.WriteLine(line);
Console.ReadKey();
}