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: Significant power is observed in the magnetic field oscillations with periods of ____ minutes.

Output: five


Input: Consider Input: Some animals have only ____ or three chambers .

Output: two


Input: Consider Input: Elves are the first of the ____ families of fairy People.


Output: eight