ProgBasicsJavaBook3.2SimpleConditions05Firm

import java.util.Scanner;

public class Main {

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

        double projectHours = Double.parseDouble(scanner.nextLine());
        double availableDays = Double.parseDouble(scanner.nextLine());
        double workers = Double.parseDouble(scanner.nextLine());

        double workDays = availableDays * 0.90;
        double overtimeHours = workDays * workers * 2;
        double workHours = workDays * workers * 8;
        double totalHours = Math.floor(overtimeHours + workHours);

        if (totalHours >= projectHours) {
            System.out.printf("Yes!%.0f hours left.", totalHours - projectHours);
        } else {
            System.out.printf("Not enough time!%.0f hours needed.", projectHours - totalHours);

        }

    }
}