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:
John must not do have eaten.

Ex Output:
0


Ex Input:
My mother baked a cake for me.

Ex Output:
1


Ex Input:
You shouldn't play with rifles because play with rifles to is dangerous.

Ex Output:

0