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: Traffic lights have ____ colors.

Output: three


Input: Consider Input: Parallel coordinates use ____ or more parallel axes.

Output: two


Input: Consider Input: Rats can jump three feet in the air from a flat surface and leap ____ feet horizontally.


Output: four