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: Harpists spend ninety percent of their lives tuning their harps and ____ percent playing out of tune.
Example Output: ten

Example Input: Photons have ____ mass and no electrical charge.
Example Output: no

Example Input: Bicycles are a healthy alternative to vehicles, and produce ____ emissions in their use.
Example Output:
no