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: Marsupials have ____ vaginas and a double uterus.

Output: two


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

Output: four


Input: Consider Input: Warts have a finite life span of anywhere from ____ months up to five years.


Output: six