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.

Input: Consider Input: Greed is covetousness, with covetousness being a foundation stone in all of the ____ deadly sins.

Output: seven


Input: Consider Input: Tin has ____ allotropic forms.

Output: two


Input: Consider Input: Lizards differ from snakes in that they have ____ feet and can move quite quickly.


Output: four