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:
John sounded happy.

Ex Output:
1


Ex Input:
They promised it to rain.

Ex Output:
0


Ex Input:
You should always lock your door, no matter how fancy the hotel might be.

Ex Output:

1