fishing

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace fishboats
{
    class Program
    {
        static void Main(string[] args)
        {

            int budget = int.Parse(Console.ReadLine());
            string season = Console.ReadLine();
            int countfishermen = int.Parse(Console.ReadLine());

            double price = 0;


            switch (season)
            {
                case "Spring":

                    price = 3000;
                    break;

                case "Summer":

                    price = 4200;
                    break;

                case "Autumn":

                    price = 4200;
                    break;

                case "Winter":

                    price = 2600;
                    break;
            }

            if (countfishermen <= 6)
            {
                price = price - price * 0.1;
            }
            else if (countfishermen >= 7 && countfishermen <= 11)
            {
                price = price - price * 0.15;
            }
            else if (countfishermen >= 12)
            {
                price = price - price * 0.25;
            }


            if (countfishermen % 2 == 0 && season != "Autumn")
            {
                price = price - price * 0.05;
            }


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


        }
    }
}