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: Time flies like an arrow.
Example Output: 1

Example Input: Suddenly an ugly old man entered the hall.
Example Output: 1

Example Input: There is tending to be more and more discussion of these issues.
Example Output:
1