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: Edges Usually refers to the ____ outside edges of the pages of a book.
Example Output: three

Example Input: Most amphibians reach maturity at three or ____ years.
Example Output: four

Example Input: Hickory is ____ counties north of Springfield.
Example Output:
two