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

Input: Consider Input: Mares normally give birth to their first foal when they are between _ and six years of.

Output: three


Input: Consider Input: Plazas have _ accumulations of rubbish but are covered with even layers of mud bricks and plaster.

Output: no


Input: Consider Input: Perennial weeds live for _ or more years.


Output: two