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: There arrived three men at the palace.

Output: 0


Input: Consider Input: I have any potatoes.

Output: 0


Input: Consider Input: In this experiment, fourteen variables must be kept track of simultaneously.


Output: 1