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: The children were neither in their rooms nor on the porch.

Output: 1


Input: Consider Input: She fell in love.

Output: 1


Input: Consider Input: Max offered the victims help, but they refused his offer.


Output: 1