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: Merlin is about five and ____ half inches long.

Output: one


Input: Consider Input: Maps are ____ dimensional representations of the earth's surface.

Output: two


Input: Consider Input: Every mountain means at least ____ valleys.


Output: two