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

Input: Consider Input: Cleavage is imperfect in _ directions, prismatically.

Output: two


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

Output: ten


Input: Consider Input: Some printers add all _ colors to a plate before placing the image on paper.


Output: four