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:
Harriet alternated folk songs with pop songs.

Ex Output:
1


Ex Input:
Tony broke the crystal vase.

Ex Output:
1


Ex Input:
The more examples Mary says that Bill has helped Fred to discover the less I believe her.

Ex Output:

1