public OrderedItems GetOrderKFC()
        {
            Console.WriteLine("Welcome for using our service");
            OrderedItems itemKFC = new OrderedItems();

            Console.WriteLine("Enter type of Food");
            Console.WriteLine("       welcom     ");
            Console.WriteLine("      1.Boneless       ");
            Console.WriteLine("      2.JumboBucket  ");
            Console.WriteLine("      3.Exit     ");
            int Choice = Convert.ToInt32(Console.ReadLine());

            switch (Choice)
            {
            case 1:
                itemKFC.addItems(new KFC.Boneless());
                break;

            case 2:
                itemKFC.addItems(new KFC.JumboBucket());
                break;

            default:
                break;
            }

            return(itemKFC);
        }
        public OrderedItems GetOrderSet()
        {
            Console.WriteLine("Welcome for using our service");
            OrderedItems itemsorder = new OrderedItems();

            Console.WriteLine("Enter type of Set");
            Console.WriteLine("       welcom     ");
            Console.WriteLine("      1. Vip       ");
            Console.WriteLine("      2. Normal   ");
            Console.WriteLine("      3. Exit     ");
            int Choice = Convert.ToInt32(Console.ReadLine());

            switch (Choice)
            {
            case 1:
                itemsorder.addItems(new SetSize.VIP());
                break;

            case 2:
                itemsorder.addItems(new SetSize.Normal());
                break;

            default:
                break;
            }
            return(itemsorder);
        }
        public OrderedItems GetOrderDrink()
        {
            Console.WriteLine("Welcome for using our service");
            OrderedItems itemFOOD = new OrderedItems();

            Console.WriteLine("Enter type of Drink");
            Console.WriteLine("       welcom     ");
            Console.WriteLine("      1.Coca       ");
            Console.WriteLine("      2.Waer  ");
            Console.WriteLine("      3.Exit     ");
            int Choice = Convert.ToInt32(Console.ReadLine());

            switch (Choice)
            {
            case 1:
                itemFOOD.addItems(new Drink.Coca());
                break;

            case 2:
                itemFOOD.addItems(new Drink.Water());
                break;

            default:
                break;
            }

            return(itemFOOD);
        }
        static void Main(string[] args)
        {
            var          Set      = new OrderSetSize();
            OrderedItems orderSet = Set.GetOrderSet();
            var          Kfc      = new OrderKFC();
            OrderedItems KFC      = Kfc.GetOrderKFC();
            var          drink    = new OrderDrink();
            OrderedItems Drink    = drink.GetOrderDrink();

            orderSet.showSet();
            KFC.showKFC();
            Drink.showDrink();
            var total = orderSet.getCost() + KFC.getCost() + Drink.getCost();

            Console.WriteLine();
            Console.WriteLine("Total cost: " + total + " s$");
            Console.ReadLine();
            Console.ReadKey();
        }