Описать структуру TRAIN

class Program
    {
        static void Main(string[] args)
        {
            Worker[] workers = new Worker[5];
            workers[0] = new Worker("Alex", "Engineer",new DateTime(2019,05,10));
            workers[1] = new Worker("Morgan", "Programmer",new DateTime(2005,08,10));
            workers[2] = new Worker("Smith", "Driver",new DateTime(2017,12,25));
            workers[3] = new Worker("John", "Pilot",new DateTime(2011,02,12));
            workers[4] = new Worker("Mike", "Manager",new DateTime(2009,05,21));
            Array.Sort(workers, (x, y) => String.Compare(x.Name, y.Name));
            foreach (var item in workers)
            {
                Console.WriteLine($"Name - {item.Name}, Position - {item.Postition}, Start work - {item.Year.ToShortDateString()}");
            }
            Console.WriteLine("Введите стаж сотрудников:");
            int experience = Convert.ToInt32(Console.ReadLine());
            Console.Clear();
            bool b = true;
            foreach (var item in workers)
            {
                if (DateTime.Today.Year - item.Year.Year >= experience)
                {
                    b = false;
                    Console.WriteLine($"Name - {item.Name}, Position - {item.Postition}, Start work - {item.Year.ToShortDateString()}");
                }
            }
            if (b) { Console.WriteLine("Таких сотрудников нет!"); }
            Console.Read();
        }      
    }
    struct Worker
    {
        public string Name;
        public string Postition;
        public DateTime Year;
 
        public Worker(string Name, string Postition, DateTime Year)
        {
            this.Name = Name;
            this.Postition = Postition;
            this.Year = Year;
        }
    }