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: Most babies double their birthweight by ____ to five months.

Output: four


Input: Consider Input: Alcohol content is ____ to three times more than beer.

Output: two


Input: Consider Input: Green lines represent the boundaries between the ____ hemispheres.


Output: two