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:
Corporate mergers occur when ____ companies combine.

Ex Output:
two


Ex Input:
Most species have ____ toes, three of which are forward-pointing.

Ex Output:
four


Ex Input:
Haitian women come ____ days each week to wash the child's clothing and sheets.

Ex Output:

six