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:
Who was the book sent by John.

Ex Output:
0


Ex Input:
Tom washed the car, and Dick waxed the car.

Ex Output:
1


Ex Input:
Smith inscribed his name over the door.

Ex Output:

1