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: Spiders have eight legs and usually have ____ eyes.

Output: eight


Input: Consider Input: China has about one in ____ of all smokers in the world.

Output: four


Input: Consider Input: Chlorine is in a group of elements having ____ electrons in their outer shells.


Output: seven