FishingBoat

using System;

namespace FishingBoat
{
    class Program
    {
        static void Main(string[] args)
        {
            double budget = double.Parse(Console.ReadLine());
            string season = Console.ReadLine();
            int fishermen = int.Parse(Console.ReadLine());
            double boatPrice = 0;
            double promo = 0;

            switch (season)
            {
                case "Spring":
                    boatPrice = 3000;

                    break;

                case "Summer":
                case "Autumn":
                    boatPrice = 4200;
                    break;
                case "Winter":
                    boatPrice = 2600;
                    break;

            }

            if (fishermen <= 6)
            {
                promo = 0.1;
            }
            else if (fishermen >= 7 && fishermen <= 11)
            {
                promo = 0.15;
            }
            else if(fishermen >= 12)
            {
                promo = 0.25;
            }

            if((season == "Winter" || season == "Spring" || season == "Summer") && fishermen % 2 == 0) {
                promo += 0.05;
            }
            //Console.WriteLine(promo);
            //Console.WriteLine(boatPrice);
            double sum = boatPrice - (boatPrice * promo);

            if (budget >= sum)
            {
                Console.WriteLine($"Yes! You have {(budget - sum):f2} leva left.");
            }

            else
            {
                Console.WriteLine($"Not enough money! You need {(sum - budget):f2} leva.");
            }
        }
    }
}