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

Input: Consider Input: Cockroaches require food every _ to ten days but mut take in water every ten days.

Output: seven


Input: Consider Input: Architectural shingles are twice or _ times as thick as ordinary shingles.

Output: three


Input: Consider Input: Coffee has a half-life of _ to six hours.


Output: four