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: John seemed to be a great linguist.

Output: 1


Input: Consider Input: This guitar, I've sung folk songs and accompanied myself on it all my life.

Output: 1


Input: Consider Input: He might do leave.


Output: 0