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: I destroyed there.

Output: 0


Input: Consider Input: Bill didn't confirm that Roger had eaten anything.

Output: 0


Input: Consider Input: The screw which I've got to try and find holds the door to the frame.


Output: 1