Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

Ex Input:
Cichlids are popular in the aquarium hobby for a ____ reason.

Ex Output:
four


Ex Input:
Inflorescence is a condensed cyme with five to ____ flowers and axillary in position.

Ex Output:
ten


Ex Input:
Antibiotic therapy involves ____ phases.

Ex Output:

two