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:
This is a problem that you solve it and you'll be able to tell the folks up at corporate headquarters to buzz off.

Ex Output:
0


Ex Input:
I read some book.

Ex Output:
0


Ex Input:
Alex read the newspaper for an hour.

Ex Output:

1