Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

Ex Input:
Box turtles are mature and capable of mating at ____ years old.

Ex Output:
five


Ex Input:
Aardvarks have ____ toes on the front feet and five toes on their back feet.

Ex Output:
four


Ex Input:
Joint Tenants are ____ or more individuals owning interment rights.

Ex Output:

two