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: Many infected dogs exhibit ____ symptoms until the disease is in an advanced state.
Example Output: no

Example Input: Most ovarian cysts go away on their own in ____ to three months without causing any problems.
Example Output: one

Example Input: Death occurs during the first ____ days of illness without intensive care.
Example Output:
seven