ToyShop

using System;

namespace toyShop
{
    class Program
    {
        static void Main(string[] args)
        {
            double tripPrice = double.Parse(Console.ReadLine());
            int puzzleCount = int.Parse(Console.ReadLine());
            int dollsCount = int.Parse(Console.ReadLine());
            int bearsCount = int.Parse(Console.ReadLine());
            int minionsCount = int.Parse(Console.ReadLine());
            int trucksCount = int.Parse(Console.ReadLine());

            double puzzlePrice = 2.60;
            int dollsPrice = 3;
            double bearsPrice = 4.10;
            double minionsPrice = 8.20;
            int trucksPrice = 2;
            double rent = 0.10;

            double sum = (puzzleCount * puzzlePrice) + (dollsCount * dollsPrice) + (bearsCount * bearsPrice) + (minionsCount * minionsPrice) + (trucksCount * trucksPrice);


            if (puzzleCount + dollsCount + bearsCount + minionsCount + trucksCount >= 50)
            {
                double discount = 0.25;
                double totalSum = sum - (sum * discount);
                double rentSum = totalSum - (totalSum * rent);
                Console.WriteLine($"Yes! {rentSum - tripPrice:F2} lv left.");
            }

            else
            {
                double totalSum = sum - (sum * rent);
                Console.WriteLine($"Not enough money! {tripPrice - totalSum:F2} lv needed.");
            }
        }
    }
}