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 clouds are so thick and dense that ____ stars can shine through.
Example Output: no

Example Input: Irrigation can increase land productivity by three to ____ times, especially in the north.
Example Output: seven

Example Input: Anxiety disorders affect approximately ____ to fifteen percent of the population.
Example Output:
seven