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: Joe is taller than Mary.

Output: 1


Input: Consider Input: His second book came out earlier this year and became an instant best-seller.

Output: 1


Input: Consider Input: He looked up it


Output: 0