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 boy whose loud playing of the piano I disliked was a student.

Ex Output:
1


Ex Input:
Harriet alternated folk songs with pop songs.

Ex Output:
1


Ex Input:
The dragons were slain all.

Ex Output:

0