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:
Paula spanked the naughty child.

Ex Output:
1


Ex Input:
Every student has to come up with three arguments that show that some condition proposed by Bill is wrong.

Ex Output:
1


Ex Input:
We believed it to be a fountain in the park.

Ex Output:

0