exam_time

exam_hour = int(input())
exam_min = int(input())
hour_arrival = int(input())
min_arrival = int(input())

exam_time_min = (exam_hour * 60) + exam_min
arrival_time_min = (hour_arrival * 60) +min_arrival

diff = abs(exam_time_min-arrival_time_min)
if exam_time_min < arrival_time_min:
    print("Late")
    if diff < 60:
        print(f"{diff} minutes after the start")
    elif diff >= 60:
        hour = diff // 60
        min = diff % 60
        if min < 10:
            print(f"{hour}:0{min} hours after the start")
        else:
            print(f"{hour}:{min} hours after the start")

elif exam_time_min == arrival_time_min or diff <= 30:
    print("On time")
    if diff >=1 and diff <=30:
        print(f"{diff} minutes before the start")
else:
    print("Early")
    if diff < 60:
        print(f"{diff} minutes before the start")
    elif diff >= 60:
        hour = diff // 60
        min = diff % 60
        if min < 10:
            print(f"{hour}:0{min} hours before the start")
        else:
            print(f"{hour}:{min} hours before the start")