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

Ex Input:
Grasshoppers develop through _ to six instars.

Ex Output:
five


Ex Input:
Presta valves are the skinnier of the _ valve types.

Ex Output:
two


Ex Input:
Perjury is punishable by imprisonment in state prison for two, three, or _ years.

Ex Output:

four