Three Brothers

import java.util.Scanner;

public class Demo2 {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);

        double BigBrother = Double.parseDouble(scan.nextLine());
        double MiddleBrother = Double.parseDouble(scan.nextLine());
        double SmallBrother =Double.parseDouble(scan.nextLine());
        double FatherTime = Double.parseDouble(scan.nextLine());

        double CleanigTime=1/(1/BigBrother+1/MiddleBrother+1/SmallBrother);
        double RestTime = CleanigTime * 0.15;
        double AllTime = RestTime + CleanigTime;

        double RemainingTime = Math.abs(AllTime-FatherTime);


        if(AllTime <= FatherTime){
            System.out.printf("Cleaning time: %.2f%n",AllTime);
            System.out.printf("Yes, there is a surprise - time left -> %.0f hours.", Math.floor(RemainingTime));
        }else{
            System.out.printf("Cleaning time: %.2f%n",AllTime);
            System.out.printf("No, there isn't a surprise - shortage of time -> %.0f hours.", Math.ceil(RemainingTime));
        }
    }
}