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: I read some book.

Output: 0


Input: Consider Input: There danced three men at the palace.

Output: 0


Input: Consider Input: Hank plays the guitar and finds arrangements for, and Ernie writes down, all the old folk songs which are still sung in these hills.


Output: 0