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

Ex Input:
Sexual maturity occurs at _ years of age.

Ex Output:
ten


Ex Input:
Telescopes come in _ basic types - refractors and reflectors.

Ex Output:
two


Ex Input:
Deer are born with _ baby teeth and develop baby incisors and premolars in their first months.

Ex Output:

four