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:
Because did Marianne love Willoughby, she refused to.

Ex Output:
0


Ex Input:
Monica covered the baby with a blanket.

Ex Output:
1


Ex Input:
They praised the volunteers for their dedication.

Ex Output:

1