Zadacha4

using System;

namespace zadacha4
{
    class Program
    {
        static void Main(string[] args)
        {
            double budjet = double.Parse(Console.ReadLine());

            int counter = 0;
            double total = 0;
            double totalprice = 0;

            while (true)
            {
                string nameProduct = Console.ReadLine();

                if (nameProduct == "Stop")
                {
                    Console.WriteLine($"You bought {counter} products for {total:f2} leva.");
                    break;
                }
                else
                {
                    double priceProduct = double.Parse(Console.ReadLine());
                    counter++;
                    if (counter % 3 == 0)
                    {
                        priceProduct = priceProduct / 2;
                    }
                    if (priceProduct > budjet )
                    {
                        total += priceProduct;
                        Console.WriteLine($"You don't have enough money!");
                        Console.WriteLine($"You need {Math.Abs( priceProduct - budjet):f2} leva!");
                        break;
                    }


                    total += priceProduct;
                    budjet -= priceProduct ;
                }

            }

        }
    }
}