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:
Account is a ____ character code that describes the basic accounting classifications.

Ex Output:
six


Ex Input:
Compound objects have ____ representations themselves.

Ex Output:
no


Ex Input:
Friction occurs when ____ bodies rub against each other.

Ex Output:

two