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:
Philosophy has ____ axioms since it is simply what reason knows by means of concepts.

Ex Output:
no


Ex Input:
Some rusts produce up to ____ different spore forms.

Ex Output:
five


Ex Input:
All giraffes are ____ species containing nine subspecies distinguished only by spot patterns.

Ex Output:

one