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

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

Ex Output:
three


Ex Input:
Corms are undifferentiated, uniform, and contain _ rings when cut apart.

Ex Output:
no


Ex Input:
Nucleosides can combine with one, two or _ phosphates .

Ex Output:

three