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.

Input: Consider Input: Most ducks acquire breeding plumage in the fall, ____ or seven months before other birds.

Output: six


Input: Consider Input: Acupuncture needles are about two to ____ inches long.

Output: three


Input: Consider Input: Most women avoid using during the ____ to seven days of menses.


Output: five