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 tree changed from a maple into an oak.

Ex Output:
1


Ex Input:
Red picture desk, this girl in the red coat will put a picture of.

Ex Output:
0


Ex Input:
The students drank too much beer last night.

Ex Output:

1