import java.util.Calendar;

public class Greet {

    public static void main(String[] args) {
        Calendar now = Calendar.getInstance();
        int hour = now.get(Calendar.HOUR_OF_DAY);
        System.out.println("Hour: " + hour);
        // Print a greeting that's appropriate for the hour of the day:
        if (hour < 6) {
            System.out.println("Damn it, why are you awake already?");
        } else if (hour < 12) {
            System.out.println("Good morning!");
        } else if (hour < 19) {
            System.out.println("Why aren't you taking a nap?");
        } else {
            System.out.println("Damn it Ada, why are you still awake?");
        }
    }
}