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 paper incorporates the new results.

Ex Output:
1


Ex Input:
Paula swatted Deirdre's back.

Ex Output:
1


Ex Input:
I ran a man who was old down.

Ex Output:

0