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: Lee likes not Kim.
Example Output: 0

Example Input: Which problem the sooner you solve, will the more easily you satisfy the folks up at corporate headquarters?
Example Output: 0

Example Input: Fred tracked the leak to its source.
Example Output:
1