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: Some clouds are so thick and dense that ____ stars can shine through.
Example Output: no

Example Input: Cockroaches have six legs, ____ antennae and some have wings.
Example Output: two

Example Input: Some electric shavers are dry shavers so ____ gels or lotions are needed in preparation.
Example Output:
no