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: Scorpions have ____ legs.

Output: eight


Input: Consider Input: Tobacco companies account for ____ of the five biggest billboard advertisers in the country.

Output: four


Input: Consider Input: Couples therapy involves the ____ people in a committed relationship.


Output: two