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: Acoustic instruments consist of ____ main parts neck, top, back and sides.

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: Most miscarriages occur within the first ____ weeks after the last menstrual period.


Output: eight