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: Cognitive changes are probably equivalent to about a three to ____ month delay in progression.

Output: six


Input: Consider Input: Some alternative antibiotics require ____ doses per day for ten days.

Output: three


Input: Consider Input: Cats have ____ toes on the forefeet and four on the hind feet.


Output: five