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

Ex Output:
four


Ex Input:
Some animals can survive freezing, but ____ animals can survive grinding.

Ex Output:
no


Ex Input:
Precocious puberty is ____ times more common in girls than in boys.

Ex Output:

nine