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:
To whom did you send the package?

Ex Output:
1


Ex Input:
We kicked myself

Ex Output:
0


Ex Input:
The hardest that it is believed that it has ever snowed here was last January 12th.

Ex Output:

1