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: The coat which a girl came in who had worn was torn.

Output: 0


Input: Consider Input: A book was sent Louis.

Output: 0


Input: Consider Input: Wanda taught French to the students.


Output: 1