ProgBasics03Conditional-Statements-Y06ThreeBrothers

import java.util.Scanner;

public class Y06ThreeBrothers {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        double firstBroCleaningTime = Double.parseDouble(scanner.nextLine());
        double secondBroCleaningTime = Double.parseDouble(scanner.nextLine());
        double thirdBroCleaningTime = Double.parseDouble(scanner.nextLine());
        double fatherMissingTime = Double.parseDouble(scanner.nextLine());

        double cleaningTimeAllBros = 1 / (1 / firstBroCleaningTime + 1 / secondBroCleaningTime + 1 / thirdBroCleaningTime);

        double cleaningTimeAllBrosWithRest = cleaningTimeAllBros + cleaningTimeAllBros * 15 / 100.0;

        System.out.printf("Cleaning time: %.2f\n", cleaningTimeAllBrosWithRest);

        if (fatherMissingTime < cleaningTimeAllBrosWithRest){
            System.out.printf("No, there isn't a surprise - " +
                            "shortage of time -> %.0f hours.",
                    Math.ceil(cleaningTimeAllBrosWithRest - fatherMissingTime));
        } else {
            System.out.printf("Yes, there is a surprise - " +
                            "time left -> %.0f hours.",
                    Math.floor(fatherMissingTime - cleaningTimeAllBrosWithRest));
        }

    }
}