weekend_or_workoing_day

day_of_the_week = input()

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":
    print("Working day")
elif day_of_the_week == "Saturday" or day_of_the_week == "Sunday":
    print("Weekend")
else:
    print("Error")