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:
Enrico, who is the smartest of us all, got the answer in seven seconds.

Ex Output:
1

Ex Input:
the book with a red cover from Blackwell of poems by Robert Burns takes a very long time to read.

Ex Output:
0

Ex Input:
By which Greek authors does he have books?

Ex Output:
0