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: Human feet bear average ____ to six hundreds tons of weight everyday.

Output: five


Input: Consider Input: Casinos have ____ windows and they have no clocks.

Output: no


Input: Consider Input: Calves grow very quickly and at ____ months are fairly independent of their mothers.


Output: six