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 searched for treasure in the cave.

Output: 1


Input: Consider Input: The happy, happy, happy, happy, happy, happy man sang a song.

Output: 1


Input: Consider Input: Willy is taller than Bill by as much as that Bill is taller than Dan is believed.


Output: 0