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: Neutrinos are particles with almost ____ mass and no electric charge.

Output: no

Input: Consider Input: Lunar eclipses occur every ____ months, on average.

Output: six

Input: Consider Input: Elephants replace their teeth four to ____ times in their lifetime.
Output: six