FishingBoat

using System;

namespace FishingBoat
{
    class fishingBoat
    {
        static void Main()
        {
            //int spring = 3000;
            //int summerAndAutumn = 4200;
            //int winter = 2600;

            int budget = int.Parse(Console.ReadLine());
            string season = Console.ReadLine();//.ToLower();
            int fishermans = int.Parse(Console.ReadLine());

            double cost = 0.0; ;



            switch (season)
            {
                case /*"spring"*/ "Spring":
                    cost = 3000;//spring;
                    break;
                case /*"summer"*/"Summer":
                    //cost = 4200;
                    //break;
                case /*"autumn"*/"Autumn":
                    cost = 4200;//summerAndAutumn;
                    break;
                case /*"winter"*/"Winter":
                    cost = 2600;//winter;
                    break;
            }

            if (fishermans <= 6)
            {
                //cost *= 0.9;
                cost -= cost * 0.1;
            }
            else if (fishermans >= 7 && fishermans <= 11)
            {
                //cost *= 0.85;
                cost -= cost * 0.15;
            }
            else //if (fishermans > 12)
            {
                //cost *= 0.75;
                cost -= cost * 0.25;
            }


            if (fishermans % 2 == 0 && season != "Autumn")
            {
                //cost *= 0.95;
                cost -= cost * 0.05;
            }

            double money = Math.Abs(budget - cost);

            if (budget > cost)
            {
                Console.WriteLine($"Yes! You have {money:F2} leva left.");
            }
            else //if (budget < cost)
            {
                Console.WriteLine($"Not enough money! You need {money:F2} leva.");
            }
        }
    }
}