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

Ex Input:
Packs usually have fewer than _ wolves.

Ex Output:
ten


Ex Input:
Comets are a bit like giant dirty ice-balls with diameters between _ and fifty kilometres.

Ex Output:
five


Ex Input:
Some rare mages have the powers of the _ elements.

Ex Output:

four