FishingBoat

import java.util.Scanner;

public class EP06FishBoat {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int budget = Integer.parseInt(scanner.nextLine());
        String season = scanner.nextLine();
        int fishers = Integer.parseInt(scanner.nextLine());

        double price = 0;

        if (season.equalsIgnoreCase("spring")) {
            price = 3000;
            if (fishers % 2 == 0) {
                price *= 0.95;
            }
        }
        else if (season.equalsIgnoreCase("summer") || season.equalsIgnoreCase("autumn")) {
            price = 4200;
            if (fishers % 2 == 0 && !season.equalsIgnoreCase("autumn")) {
                price *= 0.95;
            }
        }
        else if (season.equalsIgnoreCase("winter")) {
            price = 2600;
            if (fishers % 2 == 0) {
                price *= 0.95;
            }
        }
        if (fishers <= 6) {
            price *= 0.90;
        } else if (fishers <= 11) {
            price *= 0.85;
        } else  {
            price *= 0.75;
        }
        if (budget >= price) {
            System.out.printf("Yes! You have %.2f leva left.", budget - price);
}
else {
            System.out.printf("Not enough money! You need %.2f leva.", price - budget);
        }

    }
}