Vehicle catalog

using System;
using System.Collections.Generic;

namespace Vehicle_Catalogue
{
    class Program
    {
        class Catalog
        {
            public Catalog()
            {
                Cars = new List<Car>();
                Trucks = new List<Truck>();
            }
            public List<Car> Cars { get; set; }
            public List<Truck> Trucks { get; set; }
        }
        class Car
        {
            public string Brand { get; set; }
            public string Model { get; set; }
            public string HorsePower { get; set; }
        }
        class Truck
        {
            public string Brand { get; set; }
            public string Model { get; set; }
            public string weight { get; set; }
        }
        static void Main(string[] args)
        {
            Catalog catalog = new Catalog();
            while (true)
            {
                string[] command = Console.ReadLine()
                    .Split('/');
                if (command[0] == "end")
                {
                    break;
                }
                string type = command[0];
                string brand = command[1];
                string model = command[2];
                string horsePowerOrWeight =command[3];

                switch (type)
                {
                    case "Truck":
                        Truck currentTruck = new Truck();
                        currentTruck.Brand = brand;
                        currentTruck.Model = model;
                        currentTruck.weight = horsePowerOrWeight;
                        catalog.Trucks.Add(currentTruck);
                        break;
                    case "Car":
                        Car currentCar = new Car();
                        currentCar.Brand = brand;
                        currentCar.Model = model;
                        currentCar.HorsePower = horsePowerOrWeight;
                        catalog.Cars.Add(currentCar);
                        break;
                    default:
                        break;
                }

            }
            List<string> carBrands = new List<string>();
            List<Car> sortedCars = new List<Car>();
            for (int i = 0; i < catalog.Cars.Count; i++)
            {
                carBrands.Add(catalog.Cars[i].Brand);
            }
            carBrands.Sort();
            for (int i = 0; i < carBrands.Count; i++)
            {
                for (int j = 0; j < catalog.Cars.Count; j++)
                {
                    if (catalog.Cars[j].Brand == carBrands[i])
                    {
                        sortedCars.Add(catalog.Cars[j]);
                    }
                }
            }
            List<string> trucksBrands = new List<string>();
            List<Truck> sortedTrucks = new List<Truck>();
            for (int i = 0; i < catalog.Trucks.Count; i++)
            {
                trucksBrands.Add(catalog.Trucks[i].Brand);
            }
            trucksBrands.Sort();
            for (int i = 0; i < trucksBrands.Count; i++)
            {
                for (int j = 0; j < catalog.Trucks.Count; j++)
                {
                    if (catalog.Trucks[j].Brand == trucksBrands[i])
                    {
                        sortedTrucks.Add(catalog.Trucks[j]);
                    }
                }
            }
            if (sortedCars.Count > 0)
            {
                Console.WriteLine("Cars:");
                foreach (Car current in sortedCars)
                {
                    Console.WriteLine($"{current.Brand}: {current.Model} - {current.HorsePower}hp");
                }
            }
            if (sortedTrucks.Count > 0)
            {
                Console.WriteLine("Trucks:");
                foreach (Truck current in sortedTrucks)
                {
                    Console.WriteLine($"{current.Brand}: {current.Model} - {current.weight}kg");
                }
            }
        }
    }
}