using System;

namespace _05.FishingBoat
{
    class Program
    {
        static void Main(string[] args)
        {
            double budget = int.Parse(Console.ReadLine());
            string season = Console.ReadLine();
            int fisherCount = int.Parse(Console.ReadLine());

            double rentBoat = 0;
            int people = 0;


            if (season == "Spring")
            {
                rentBoat = 3000;
            }
            else if (season == "Summer" || season == "Autumn")
            {
                rentBoat = 4200;
            }
            else if (season == "Winter")
            {
                rentBoat = 2600;
            }

            if (people <= 6)
            {
                budget *= 0.9;
            }
            else if (people >= 7 && people <= 11)
            {
                budget *= 0.85;
            }
            else
            {
                budget *= 0.75;
            }
            if (people % 2 == 0 && season != "Autumn")
            {
                budget *= 0.9;
            }

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

        }
    }
}