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: Water consists of ____ hydrogen and one oxygen atom.

Output: two


Input: Consider Input: Shock occurs when there are intense experiences and ____ defenses at all.


Output: no