vehicle catalog

using System;
using System.Collections.Generic;
using System.Linq;

namespace classes
{
    class Truck
    {
        //Brand, Model and Weight.

        public string Brand { get; set; }
        public string Model { get; set; }
        public int Weight { get; set; }
    }

    class Car
    {
        //Brand, Model and Horse Power.

        public string Brand { get; set; }
        public string Model { get; set; }
        public int HorsePower { get; set; }
    }

    class Catalog
    {
        public List<Car> cars { get; set; }
        public List<Truck> trucks { get; set; }
    }
    class Program
    {
        static void Main(string[] args)
        {
            List<Car> cars = new List<Car>();
            List<Truck> trucks = new List<Truck>();

            string[] input = Console.ReadLine().Split("/").ToArray();

            while (input[0] != "end")
            {
                //{type}/{brand}/{model}/{horse power / weight}

                if (input[0] == "Car")
                {
                    Car car = new Car();
                    car.Brand = input[1];
                    car.Model = input[2];
                    car.HorsePower = int.Parse(input[3]);
                    cars.Add(car);
                }
                else
                {
                    Truck truck = new Truck();
                    truck.Brand = input[1];
                    truck.Model = input[2];
                    truck.Weight = int.Parse(input[3]);
                    trucks.Add(truck);
                }

                input = Console.ReadLine().Split("/").ToArray();
            }

            if (cars.Count > 0)
            {
                Console.WriteLine("Cars:");
                foreach (var item in cars.OrderBy(x => x.Brand))
                {
                    Console.WriteLine($"{item.Brand}: {item.Model} - {item.HorsePower}hp");
                }
            }
            if (trucks.Count > 0)
            {
                Console.WriteLine("Trucks:");
                foreach (var item in trucks.OrderBy(x => x.Brand))
                {
                    Console.WriteLine($"{item.Brand}: {item.Model} - {item.Weight}hp");
                }
            }
        }
    }
}