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 deed which I want to peruse that contract before filing away is probably a forgery.

Ex Output:
0


Ex Input:
Cynthia devoured the pizza .

Ex Output:
1


Ex Input:
The boy's guardians' employer we elected president.

Ex Output:

1