04. Fishing Boat

import java.util.Scanner;

public class FishingBoat {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int budget = Integer.parseInt(scanner.nextLine());
        String season = scanner.nextLine();
        int people = Integer.parseInt(scanner.nextLine());

        double sum = switch (season) {
            case "Spring" -> 3000;
            case "Summer", "Autumn" -> 4200;
            case "Winter" -> 2600;
            default -> 0;
        };

        if (people <= 6) {
            sum *= 0.9;
        } else if (people <= 11) {
            sum *= 0.85;
        } else {
            sum *= 0.75;
        }

        if (people % 2 == 0 && !season.equals("Autumn")) {
            sum *= 0.95;
        }

        if (sum <= budget) {
            System.out.printf("Yes! You have %.2f leva left.", budget - sum);
        } else {
            System.out.printf("Not enough money! You need %.2f leva.", sum - budget);
        }
    }
}

ИЛИ:

import java.util.Scanner;

public class FishingBoat {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double budget = Double.parseDouble(scanner.nextLine());
        String season = scanner.nextLine();
        int people = Integer.parseInt(scanner.nextLine());

        budget -= (season.equals("Spring") ? 3000 : season.equals("Winter") ? 2600 : 4200)
                * (people <= 6 ? 0.9 : people > 11 ? 0.75 : 0.85)
                * (people % 2 == 0 && !season.equals("Autumn") ? 0.95 : 1);

        if (budget >= 0) {
            System.out.printf("Yes! You have %.2f leva left.", budget);
        } else {
            System.out.printf("Not enough money! You need %.2f leva.", Math.abs(budget));
        }
    }
}