import math

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

time_exam_in_minutes = exam_hour * 60 + exam_minutes
time_arrival_minutes = arrival_hour * 60 + arrival_minutes
time_before = 0
time_after = 0

if time_arrival_minutes == time_exam_in_minutes:
    print('On time')
elif time_arrival_minutes <= time_exam_in_minutes and time_exam_in_minutes - time_arrival_minutes <= 30:
    time_before = time_exam_in_minutes - time_arrival_minutes
    print('On time')
    print(f'{time_before} minutes before the start')
elif time_exam_in_minutes < time_arrival_minutes:
    print('Late')
    time_after = time_arrival_minutes - time_exam_in_minutes
    if time_after <= 59:
        print(f'{time_after} minutes after the start')
    else:
        hour = math.floor(time_after / 60)
        minutes = time_after % 60
        if minutes <= 9:
            print(f'{hour}:0{minutes} hours after the start')
        else:
            print(f'{hour}:{minutes} hours after the start')
elif time_arrival_minutes < time_exam_in_minutes:
    print('Early')
    time_before = time_exam_in_minutes - time_arrival_minutes
    if 30 < time_before <= 59:
        print(f'{time_before} minutes before the start')
    elif time_before > 59:
        hour = math.floor(time_before / 60)
        minutes = time_before % 60
        if minutes <= 9:
            print(f'{hour}:0{minutes} hours before the start')
        else:
            print(f'{hour}:{minutes} hours before the start')