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:
The hardest that it ever snowed was last January 12th.

Ex Output:
1


Ex Input:
The well gushed oil.

Ex Output:
1


Ex Input:
They read the scientific book.

Ex Output:

1