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: Scullers use ____ oars, sweep oarsmen pull just one.

Output: two


Input: Consider Input: Water emits oscillations that are measurable from ____ through Megahertz.

Output: zero


Input: Consider Input: Nymphs have six legs, and adults have ____ legs.


Output: eight