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: Divorce affects one out of every ____ marriages today.
Example Output: four

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

Example Input: Pugs come in ____ colors black and fawn.
Example Output:
two