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 jewel sparkled.

Ex Output:
1


Ex Input:
The rope stretched over the pulley.

Ex Output:
1


Ex Input:
Smith loaned, and his widow later donated, a valuable collection of manuscripts to the library.

Ex Output:

1