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: Greed is covetousness, with covetousness being a foundation stone in all of the ____ deadly sins.
Example Output: seven

Example Input: All children normally wake up ____ or five times each night after dreams.
Example Output:
four