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: They hit the ball.

Output: 1


Input: Consider Input: the book with a red cover from Blackwell of poems by Robert Burns takes a very long time to read.

Output: 0


Input: Consider Input: Bill seems to be obnoxious, but I don't think that Sam happens.


Output: 0