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

Ex Input:
Coral reefs make up only _ per cent of the area of the Great Barrier Reef.

Ex Output:
five


Ex Input:
Anemone has _ vents.

Ex Output:
two


Ex Input:
Intussusception has the highest incidence in infant boys between the ages of _ and eight months.

Ex Output:

four