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 animals can survive freezing, but ____ animals can survive grinding.
Example Output: no

Example Input: Lunar eclipses occur every ____ months, on average.
Example Output: six

Example Input: Triangle is a convex polygon with ____ segments joining three non-collinear points.
Example Output:
three