Firm/Exam 28.8.2016

import java.util.Scanner;

public class FirmEx280816 {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);

        int projectTime=Integer.parseInt(scanner.nextLine());
        int daysF=Integer.parseInt(scanner.nextLine());
        int peopleOverTime=Integer.parseInt(scanner.nextLine());

        int overTime=peopleOverTime*(2*daysF);
        double trainingDay=daysF-(daysF*0.1);
        double workHours=trainingDay*8;
        double allHours=Math.floor(workHours + overTime);

        if(projectTime<allHours){
            int result =(int)(allHours-projectTime);
            System.out.printf("Yes!%d hours left.", result);
        }else {
            int result2=(int)(projectTime-allHours);
            System.out.printf("Not enough time!%d hours needed.", result2);
        }
    }
}