days = int(input("How many days before your birthday: "))
weeks = days // 7
extraDays = days % 7
message = "There are {} weeks "
if extraDays > 0:
message += "and {} days "
message += "before your birthday!"
if extraDays > 0:
print(message.format(weeks, extraDays))
else:
print(message.format(weeks))