import java.util.Scanner;

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

        int examHour = Integer.parseInt(scanner.nextLine());
        int examMinutes = Integer.parseInt(scanner.nextLine());
        int arrivalHour = Integer.parseInt(scanner.nextLine());
        int arrivalMinutes = Integer.parseInt(scanner.nextLine());

        int examTimeInMins = (examHour * 60) + examMinutes;
        int arrivalTimeInMins = (arrivalHour * 60) + arrivalMinutes;

        int diff = examTimeInMins - arrivalTimeInMins;
        int hour = Math.abs(diff / 60);
        int mins = Math.abs(diff % 60);

        if (diff < 0) {
            System.out.println("Late");
            if (Math.abs(diff) >= 60) {
                if (mins < 10) {
                    System.out.printf("%d:%0d hours after the start", hour, mins);
                } else {
                    System.out.printf("%d:%d hours after the start", hour, mins);
                }
            } else {
                System.out.printf("%d minutes after the start", mins);
            }
        } else if (diff >= 0 && diff <= 30) {
            if (diff == 0) {
                System.out.println("On time");
            } else {
                System.out.println("On time");
                System.out.printf("%d minutes before the start", mins);
            }
        } else {
            System.out.println("Early");
            if (Math.abs(diff) >= 60) {
                if (mins < 10) {
                    System.out.printf("%d:%0d hours before the start", hour, mins);
                } else {
                    System.out.printf("%d:%d hours before the start", hour, mins);
                }
            } else {
                System.out.printf("%d minutes before the start", mins);
            }
        }
    }
}