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: Sponges have ____ main tissue layers.
Example Output: three

Example Input: Ground squirrels have a single litter a year that averages from ____ to nine young.
Example Output: four

Example Input: Some phalaropes probably live for ____ or more years.
Example Output:
ten