using System;

namespace tomervebenartsilomdimvenhenimimaviv
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello World!");
        }
    }
    class Engine
    {
        private int yearOfCreation;
        private string licenseNumber;
        public Engine(int yearOfCreation, string licenseNumber) {
            this.licenseNumber = licenseNumber;
            this.yearOfCreation = yearOfCreation;
        }
        public string getLicenseNumber() {
            return licenseNumber;
        }
        public void setLicenseNumber(string licenseNumber)
        {
            this.licenseNumber = licenseNumber;
        }
        public int getYearOfCreation() {
            return yearOfCreation;
        }
        public void setYearOfCreation(int yearOfCreation) {
            this.yearOfCreation = yearOfCreation;
        }
    }
    class Carriage {
        private int licenseNumber;
        private int capcity;
        public Carriage(int licenseNumber,int capicty)
        {
            this.licenseNumber = licenseNumber;
            this.capcity = capicty;
        }
        public int getLicenseNumber()
        {
            return licenseNumber;
        }
        public void setLicenseNumber(int licenseNumber)
        {
            this.licenseNumber = licenseNumber;
        }
        public int getCapcity()
        {
            return capcity;
        }
        public void setYearOfCreation(int capcity)
        {
            this.capcity = capcity;
        }
    }
    class Train {
        private Engine engine;
        private Carriage[] carriages;
        public Train(Carriage[] carriages, Engine engine) {
            this.carriages = carriages;
            this.engine = engine;
        }
        public Engine getEngine()
        {
            return engine;
        }
        public void setEngine(Engine engine)
        {
            this.engine = engine;
        }
        public Carriage[] getCarriages()
        {
            return carriages;
        }
        public void setCarriges(Carriage[] carriages)
        {
            this.carriages = carriages;
        }
    }

}