using System;

namespace _05._Fishing_Boat
{
    class Program
    {
        static void Main(string[] args)
        {
            int budget = int.Parse(Console.ReadLine());
            string seson = Console.ReadLine();
            int numberFishermans = int.Parse(Console.ReadLine());

            double priceBoat = 0.00;
            double promo = 1.00;
            double extrapromo = 1.00;

            if (seson == "Spring")
            {
                priceBoat = 3000.00;
            }
            else if (seson == "Summer" || seson == "Autumn")
            {
                priceBoat = 4200.00;
            }
            else if (seson == "Winter")
            {
                priceBoat = 2600.00;
            }
            if (numberFishermans <= 6)
            {
                promo = 0.90;
            }
            else if (numberFishermans > 7 && numberFishermans <= 11)
            {
                promo = 0.85;
            }
            else if (numberFishermans > 12)
            {
                promo = 0.75;
            }
            if ((numberFishermans % 2 == 0) && seson != "Autumn")
            {
                extrapromo = 0.95;
            }
            double finPrice = (priceBoat * promo) * extrapromo;
            double balance = budget - finPrice;
            if (balance >= 0)
            {
                Console.WriteLine($"Yes! You have {balance:F2} leva left.");
            }
            else if (balance < 0)
            {
                balance = balance * -1;
                Console.WriteLine($"Not enough money! You need {balance:F2} leva.");
            }
        }
    }
}