01. Match Tickets

import java.util.Scanner;

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

        double sum = 0;

        if (people >= 1 && people <= 4) {
            budget *= 0.25;
        } else if (people > 4 && people <= 9) {
            budget *= 0.40;
        } else if (people > 9 && people <= 24) {
            budget *= 0.50;
        } else if (people > 24 && people < 50) {
            budget *= 0.60;
        } else {
            budget *= 0.75;
        }

        if (category.equals("VIP")) {
            sum = 499.99 * people;
        } else if (category.equals("Normal")) {
            sum = 249.99 * people;
        }

        if (budget >= sum) {
            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 MatchTickets {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double budget = Double.parseDouble(scanner.nextLine());
        String category = scanner.nextLine();
        int people = Integer.parseInt(scanner.nextLine());

        budget *=
                people >= 1 && people <= 4 ? 0.25 :
                        people > 4 && people <= 9 ? 0.40 :
                                people > 9 && people <= 24 ? 0.50 :
                                        people > 24 && people < 50 ? 0.60 : 0.75;

        double sum = (category.equals("VIP") ? 499.99 : 249.99) * people;

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