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:
Conversations overlap, especially when more than three people try to talk in ____ room.

Ex Output:
one


Ex Input:
Elephants have five toes on the fore feet and ____ on the hind feet.

Ex Output:
four


Ex Input:
Tyrannosaurs have tiny arms, with only ____ clawed fingers.

Ex Output:

two