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.

Example Input: Dholes are highly social animals and live in packs of about ____ dogs.
Example Output: ten

Example Input: Autism affects ____ times as many males as it does females.
Example Output: three

Example Input: Hydronic heating has ____ advantages over other types of heating systems.
Example Output:
three