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'.

Ex Input:
Although Bob may not be a nut, many people have claimed and I think so too.

Ex Output:
0

Ex Input:
George is having lived in Toledo for thirty years.

Ex Output:
0

Ex Input:
He took John to the school by the park.

Ex Output:
1