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: Avian kidneys have ____ kinds of nephrons.

Output: two


Input: Consider Input: Studies show that childhood obesity is epidemic and that one in ____ children is overweight.

Output: five


Input: Consider Input: Contraception is immediate if the shot is given in the first ____ days of the menstrual cycle.


Output: five