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

Input: Consider Input: Birds bitten by infected mosquitoes are infectious from _ to eight days.

Output: four


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

Output: three


Input: Consider Input: Cosmetics come in _ types greasy and non-greasy.


Output: two