public static int BlockedVehicles(int size)
        {
            int entered = 0;
            int weight = 0;
            int height = 0;
            int blocked = 0;
            while (entered < size)
            {
                while (weight <= 0)
                {
                    Console.WriteLine("Type the vehicle's weight, it must be over 0.");
                    weight = int.Parse(Console.ReadLine());
                }
                while (height <= 0)
                {
                    Console.WriteLine("Type the vehicle's height, itm ust be over 0.");
                    height = int.Parse(Console.ReadLine());
                }
                if (weight < 10 && height < 5)
                {
                    Console.WriteLine("You can pass.");
                    entered++;
                }
                else
                {
                    Console.WriteLine("You can't pass.");
                    blocked++;
                }
                weight = 0;
                height = 0;
            }
            return blocked;
        }
        static void Main(string[] args)
        {
            int size = 0;
            while (size <= 0)
            {
                Console.WriteLine("Type how many parking spaces area available, it must be over 0.");
                size = int.Parse(Console.ReadLine());
            }
            Console.WriteLine("{0} vehicles could not enter the garage.", BlockedVehicles(size));

        }