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: Beryllium has ____ protons and four electrons.
Example Output: four

Example Input: Elephants rise ____ inches when they inhale.
Example Output: two

Example Input: Most species travel in flocks of about ____ to forty.
Example Output:
five