In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

Input: Consider Input: Tapirs have hoofed toes, with four toes on the front feet and _ toes on the hind feet.

Output: three


Input: Consider Input: Female cats can go into heat for the first time as early as _ months of age.

Output: five


Input: Consider Input: Osteoporosis is three to _ times more common in woman than men.


Output: four