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:
Marsupials have ____ vaginas and a double uterus.

Ex Output:
two


Ex Input:
Soy products contain ____ known classes of anti-cancer agents, including phytoestrogens.

Ex Output:
five


Ex Input:
Women represent one in ____ persons in the manufacturing workforce.

Ex Output:

three