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: Ground squirrels have a single litter a year that averages from ____ to nine young.

Output: four


Input: Consider Input: Human malaria is caused by ____ species of Plasmodium . .

Output: four


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


Output: no