dd

hour_of_the_day = int(input())
day_of_week = input()

if 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':
    if 10 <= hour_of_the_day <= 18:
        print("open")
    else:
        print('closed')
else:
    print('closed')