8_On_time_for_exam

exam_hour = int(input())
exam_minute = int(input())

arrival_hour = int(input())
arrival_minute = int(input())

#matematica
time_of_exam = exam_hour * 60 + exam_minute
time_of_arrival = arrival_hour * 60 + arrival_minute
difference = abs(time_of_exam - time_of_arrival)
hour = difference // 60
minutes = difference % 60

if time_of_exam == time_of_arrival:
     print('On Time')

if time_of_exam != time_of_arrival:
    difference = time_of_arrival-time_of_exam
    on_time = "after"
    status = "Late"

    if difference < 0:
        on_time = "before"
        if difference >= -30:
            status = "On time"
        else:
            status = "Early"
    print(status)
    if abs(difference) // 60 == 0:
        print(f"{minutes} minutes {on_time} the start")
    else:
        print(f"{hour}:{minutes} hours {on_time} the start")