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

Ex Input:
Merlin is about five and _ half inches long.

Ex Output:
one


Ex Input:
Cubs stay with their mothers for up to _ years.

Ex Output:
three


Ex Input:
People can have _ legs, fur, tails, feathers, fins, scales and even exoskeletons.

Ex Output:

four