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: Variable stars fall into ____ major physical classifications.

Output: four


Input: Consider Input: Most ovarian cysts go away on their own in ____ to three months without causing any problems.

Output: one


Input: Consider Input: Bonds also come in ____ types.


Output: two