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: Mollusks have one or ____ hearts.
Example Output: two

Example Input: Penile cancer occurs almost exclusively in the uncircumcised male at a rate of ____ per million.
Example Output: eight

Example Input: Clementines are easy to peel and have ____ seeds .
Example Output:
no