OnTheTimeForTheExam 1

import java.util.Scanner;

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


        int ExamTimeHour = Integer.parseInt(scanner.nextLine());
        int ExamTimeMinute = Integer.parseInt(scanner.nextLine());
        int ArrivalHour = Integer.parseInt(scanner.nextLine());
        int ArrivalMinute = Integer.parseInt(scanner.nextLine());

        int timeExam = ExamTimeHour * 60 + ExamTimeMinute;
        int timeArrival = ArrivalHour * 60 + ArrivalMinute;

        if (timeArrival > timeExam) {
            int timeLate = timeArrival - timeExam;
            if (timeLate < 60) {
                System.out.println("Late");
                System.out.print(timeLate + " minutes after the start");
            } else if (timeLate >= 60) {
                int hoursLate = timeLate / 60;
                int minutesLate = timeLate % 60;
                System.out.println("Late");
                System.out.print(hoursLate + ":" + minutesLate + " hours after the start");
            }
        } else if ((timeArrival + 30 >= timeExam) && (timeArrival <= (timeExam + 30))) {
            int timeOnTime = timeExam - timeArrival;
            System.out.println("On time");
            System.out.print(timeOnTime + " minutes before the start");
        } else if (timeArrival < timeExam) {
            int timeEarly = timeExam - timeArrival;
            if (timeEarly < 60) {
                System.out.println("Early");
                System.out.print(timeEarly + " minutes before the start");
            } else if (timeEarly >= 60) {
                int hoursEarly = timeEarly / 60;
                int minutesEarly = timeEarly % 60;
                System.out.println("Early");
                System.out.print(hoursEarly + ":" + minutesEarly + " hours before the start");
            } else if (ExamTimeHour == ArrivalHour && ExamTimeMinute == ArrivalMinute) {
                System.out.println("On time");
            }

        }
    }
}