dd

working_hours = int(input())
day_of_week = input()

if 10 <= working_hours <= 18 and (
        day_of_week == 'Monday' or day_of_week == 'Tuesday' or day_of_week == 'Wednesday' or day_of_week == 'Thursday' or day_of_week == 'Friday' or day_of_week == 'Saturday'):
    print('open')
else:
    print('closed')