private static void Add()
        {
            Vehicle vehicle = new Vehicle(Autobazar.GetNextId());

            vehicle.YearOfProduction = InputValidator.GetPositiveNumber("Enter year of production");
            vehicle.NumberOfKm       = InputValidator.GetPositiveNumber("Enter number of km");
            vehicle.VehicleBrand     = InputValidator.GetText("Enter brand of vehicle");
            vehicle.VehicleType      = InputValidator.GetText("Enter type of vehicle");
            vehicle.VehicleFuel      = InputValidator.GetFuel();
            vehicle.Price            = InputValidator.GetPositiveDecimal("Enter price");
            vehicle.City             = InputValidator.GetText("Enter city");
            vehicle.NumberOfDoors    = InputValidator.GetPositiveNumber("Enter number of doors");
            vehicle.IsCrashed        = InputValidator.GetBoolen("Enter if vehicle was crashed - Yes/No");

            Autobazar.AddVehicle(vehicle);

            ConsoleWriter.ConsoleHorizontalLine('-');
            Console.WriteLine("Vehicle was added.");
        }