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: Fish kills can occur when oxygen is less than ____ ppm.

Output: three


Input: Consider Input: Milk is a good source of all ____ nutrients.


Output: three