04. TouristShop

using System;

namespace _04._Tourist_Shop
{
    class Program
    {
        static void Main(string[] args)
        {
            double budget = double.Parse(Console.ReadLine());
            string product = Console.ReadLine();
            int counterProduct = 0;
            int counterDiscount = 0;
            bool noMoney = false;

            double price = 0;

            while (product != "Stop")
            {
                double priceProduct = double.Parse(Console.ReadLine());
                counterProduct++;
                counterDiscount++;

                if (counterDiscount == 3)
                {
                    priceProduct /= 2;
                    counterDiscount = 0;
                }

                price += priceProduct;


                if (price > budget)
                {
                    Console.WriteLine($"You don't have enough money!");
                    Console.WriteLine($"You need {Math.Abs(price - budget):f2} leva!");
                    noMoney = true;
                    break;
                }


                product = Console.ReadLine();
            }

            if (!noMoney)
            {
            Console.WriteLine($"You bought {counterProduct} products for {price:f2} leva.") ;
            }
        }
    }
}