Three brothers

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double firstTime = Double.parseDouble(scanner.nextLine()),
                secondTime = Double.parseDouble(scanner.nextLine()),
                thirdTime = Double.parseDouble(scanner.nextLine()),
                fatherTime = Double.parseDouble(scanner.nextLine()),
                cleaningTime = 1 / (1 / firstTime + 1 / secondTime + 1 / thirdTime) * 1.15;

        System.out.printf("Cleaning time: %.2f\n", cleaningTime);
        if (fatherTime > cleaningTime) {
            System.out.printf("Yes, there is a surprise - time left -> %d hours.\n", (int) (fatherTime - cleaningTime));
        } else {
            System.out.printf("No, there isn't a surprise - shortage of time -> %d hours.\n", (int) Math.ceil(cleaningTime - fatherTime));
        }
    }
}