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'.

Example Input: Every student has to come up with three arguments that show that some condition proposed by Bill is wrong.
Example Output: 1

Example Input: Every politician is worried when the press starts attacking him.
Example Output: 1

Example Input: We elected the man who he had brought with him president.
Example Output:
0