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: Mosquitoes live ____ to eight weeks.

Output: four


Input: Consider Input: Most birds have four toes, ____ that face forward and one rearward.


Output: three