using System;

namespace _05._Fishing_Boat
{
    class Program
    {
        static void Main(string[] args)
        {
            int budgetGroup = int.Parse(Console.ReadLine());
            string season = Console.ReadLine();
            int countFihers = int.Parse(Console.ReadLine());

            double priceShip = 0;

            switch (season)
            {
                case "Spring":
                    priceShip = 3000;
                    break;
                case "Summer":
                    priceShip = 4200;
                    break;
                case "Autumn":
                    priceShip = 4200;
                    break;
                case "Winter":
                    priceShip = 2600;
                    break;
            }

            if (countFihers <= 6)
            {
                priceShip = priceShip * 0.9;
            }

            else if (countFihers >= 7 && countFihers <= 11)
            {
                priceShip = priceShip * 0.85;
            }

            else if (countFihers >= 12)
            {
                priceShip = priceShip * 0.75;
            }


            if (countFihers % 2 == 0 && season != "Autumn")
            {
                priceShip = priceShip * 0.95;
            }

            if (budgetGroup > priceShip)
            {
                double left = budgetGroup - priceShip;
                Console.WriteLine($"Yes! You have {left:f2} leva left.");
            }
            else if (budgetGroup < priceShip)
            {
                double need = priceShip - budgetGroup;
                Console.WriteLine($"Not enough money! You need {need:f2} leva.");

            }



        }
    }
}