You will be given a sentence. Check whether the sentence is grammatically correct and is meaningful. If the sentence is grammatically correct, then answer with '1', otherwise answer with '0'.

Input: Consider Input: Order one first is what you should do.

Output: 0


Input: Consider Input: Who are you gawking at?

Output: 1


Input: Consider Input: The reporters expected that the principal would fire some teacher.


Output: 1