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: Echinoderms have radial symmetry , many having ____ or multiples of five arms.
Example Output: five

Example Input: Spiders have eight legs and usually have ____ eyes.
Example Output: eight

Example Input: Men can have discharge from the penis and a burning feeling with urination, or ____ symptoms at all.
Example Output:
no