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:
When did you get back and what did you bring me?

Ex Output:
1


Ex Input:
John made Mary cooking Korean food.

Ex Output:
0


Ex Input:
This guitar, I've sung folk songs and accompanied myself on it all my life.

Ex Output:

1