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

Input: Consider Input: Transitional milk is secreted between about four days and _ days postpartum.

Output: ten


Input: Consider Input: Most broaches have _ series of teeth.

Output: three


Input: Consider Input: Children usually receive polio vaccinations in _ doses by the time they start kindergarten.


Output: four