test_hour = int(input())
test_minute = int(input())
arriving_hour = int(input())
arriving_minute = int(input())

total_minutes_test = test_hour * 60 + test_minute
total_minutes_arrival = arriving_hour * 60 + arriving_minute

if total_minutes_arrival > total_minutes_test:
    total_minutes = total_minutes_arrival - total_minutes_test
    hours = total_minutes // 60
    minutes = total_minutes % 60
    print("Late")
    if hours < 1:
        print(f"{minutes} minutes after the start")
    else:
        if minutes >= 10:
            print(f"{hours}:{minutes} hours after the start")
        else:
            print(f"{hours}:0{minutes} hours after the start")

elif total_minutes_test >= total_minutes_arrival and total_minutes_test - total_minutes_arrival <= 30:
    print("On time")
    if total_minutes_test - total_minutes_arrival != 0:
        print(f"{total_minutes_test - total_minutes_arrival} minutes before the start")

else:
    print("Early")
    total_minutes = total_minutes_test - total_minutes_arrival
    hours = total_minutes // 60
    minutes = total_minutes % 60
    if hours < 1:
        print(f"{minutes} minutes before the start")
    else:
        if minutes >= 10:
            print(f"{hours}:{minutes} hours before the start")
        else:
            print(f"{hours}:0{minutes} hours before the start")