exam_hour = int(input())
exam_minutes = int(input())
arrival_hour = int(input())
arrival_minutes = int(input())

exam_total_minutes = exam_hour * 60 + exam_minutes
arrival_total_minutes = arrival_hour * 60 + arrival_minutes

diff = abs(exam_total_minutes - arrival_total_minutes)

new_hours = diff // 60
new_minutes = diff % 60

if arrival_total_minutes > exam_total_minutes:
    print('Late')
    if diff < 60:
        print(f'{new_minutes} minutes after the start')
    else:
        if new_minutes >= 10:
            print(f'{new_hours}:{new_minutes} hours after the start')
        else:
            print(f'{new_hours}:0{new_minutes} hours after the start')

elif arrival_total_minutes < exam_total_minutes:
    if diff <= 30:
        print('On time')
    if diff < 60:
        print(f'{new_minutes} minutes before the start')
    else:
        if new_minutes >= 10:
            print(f'{new_hours}:{new_minutes} hours before the start')
        else:
            print(f'{new_hours}:0{new_minutes} hours before the start')
elif arrival_total_minutes == exam_total_minutes:
    print('On time')

elif arrival_total_minutes < exam_total_minutes and diff > 30:
    print('Early')
    if diff < 60:
        print(f'{new_minutes} minutes before the start')
    else:
        if new_minutes >= 10:
            print(f'{new_hours}:{new_minutes} hours before the start')
        else:
            print(f'{new_hours}:0{new_minutes} hours before the start')