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:
Nora pushed against the chair.

Ex Output:
1


Ex Input:
Pavarotti relied on Loren and Bond Hepburn.

Ex Output:
0


Ex Input:
The children were neither in their rooms nor on the porch.

Ex Output:

1