p02_FirmProject

import java.util.Scanner;

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

        int projectHours = Integer.parseInt(console.nextLine());
        int daysForProject = Integer.parseInt(console.nextLine());
        int workers = Integer.parseInt(console.nextLine());

        double workingDays = (daysForProject - (daysForProject*0.10));

        double workInProcesHours = workingDays * 8;
        double overWorkingHours = workers * ( 2 * daysForProject);

        double totalWorkingHours = Math.floor(overWorkingHours + workInProcesHours);
        double timeIsEnought = 0;

        if(totalWorkingHours > projectHours){
            timeIsEnought = Math.floor(projectHours - totalWorkingHours);
            timeIsEnought = Math.abs(timeIsEnought);
            System.out.print("Yes!" + (int)timeIsEnought + " hours left.");
        }else{
            timeIsEnought = Math.floor(totalWorkingHours - projectHours);
            timeIsEnought = Math.abs(timeIsEnought);
            System.out.print("Not enough time!" + (int)timeIsEnought + " hours needed.");
        }
    }
}