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: Hares hold their young ____ to ten days longer.
Example Output: seven

Example Input: Cardinals have ____ main functions in the church.
Example Output: three

Example Input: Computers have ____ problems with locating and remembering numeric addresses.
Example Output:
no