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 animals can survive freezing, but ____ animals can survive grinding.
Example Output: no

Example Input: Bees normally live for about thirty days, but infected bees survive for only ____ to five days.
Example Output: three

Example Input: International mail consists of ____ categories of mail.
Example Output:
three