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 Romans destroyed the city into ruins.

Ex Output:
0


Ex Input:
Herman whipped the cream.

Ex Output:
1


Ex Input:
The happy, happy, happy, happy, happy, happy man sang a song.

Ex Output:

1