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: Colostrum is bright yellowish thick milk secreted in the first ____ to six days after birth.

Output: three


Input: Consider Input: Marine biologists have ____ theories on why whales breach.

Output: two


Input: Consider Input: Autism is ____ times more prevalent in males than in females.


Output: four