Training Hall

            double budget = double.Parse(Console.ReadLine());
            int itemsNumber = int.Parse(Console.ReadLine());

            double subtotal = 0.0;

            for (int i = 1; i <= itemsNumber; i++)
            {
                string itemName = Console.ReadLine();
                double itemPrice = double.Parse(Console.ReadLine());
                int itemCount = int.Parse(Console.ReadLine());

                if (itemCount > 1)
                {
                    Console.WriteLine($"Adding {itemCount} {itemName}s to cart.");
                }
                else
                {
                    Console.WriteLine($"Adding {itemCount} {itemName} to cart.");
                }

                subtotal += itemCount * itemPrice;
                budget -= itemCount * itemPrice;
            }

            Console.WriteLine($"Subtotal: ${subtotal:f2}");

            if (budget >=0)
            {
                Console.WriteLine($"Money left: ${budget:f2}");
            }
            else
            {
                Console.WriteLine($"Not enough. We need ${Math.Abs(budget):f2} more.");
            }