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: John and Mary met in Vienna.
Example Output: 1

Example Input: She has enough a problem as it is.
Example Output: 0

Example Input: Willy is taller than Bill by 7 millimeters.
Example Output:
1