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

Input: Consider Input: Terrorism is a problem which has troubled the international community for more than _ decades.

Output: three


Input: Consider Input: Triaxial fabric is woven with _ sets of yarn whose intersections form equilateral triangles.

Output: three


Input: Consider Input: Snapdragon flowers are tubes made up of _ petals.


Output: five