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:
Threshold is a value to avoid ____ divide.

Ex Output:
zero


Ex Input:
Cardinals have ____ main functions in the church.

Ex Output:
three


Ex Input:
Infective endocarditis affects ____ times as many elderly men as elderly women.

Ex Output:

eight