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

Input: Consider Input: Acute sinusitis is any infectious process in the sinus lasting from one day to _ weeks.

Output: three


Input: Consider Input: Hoatzin has typical foot with _ toes forwards and one backwards.

Output: three


Input: Consider Input: Harvesting occurs every _ to four years in the winter after leaves fall from the trees.


Output: three