working_hours

time = int(input())
day_of_the_week = input()

if time >= 10 and time <= 18:
    if day_of_the_week == "Monday" or \
            day_of_the_week == "Tuesday" or \
            day_of_the_week == "Wednesday" or \
            day_of_the_week == "Thursday" or \
            day_of_the_week == "Friday" or \
            day_of_the_week == "Saturday":
        print("open")
    else:
        print("closed")
else:
    print("closed")