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: Most modern computers have ____ bits to a byte.
Example Output: eight

Example Input: Volume is the amount of ____ dimensional space an object occupies.
Example Output:
three