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: Seismologists offer ____ major theories for the occurrence of large, deep earthquakes.

Output: three


Input: Consider Input: ATMs are expensive machines with an average useful life of ____ to fifteen years.

Output: ten


Input: Consider Input: Most people resort to food, although smokers only gain about ____ pounds on average when they quit.


Output: five