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 witch went into the forest and thereby vanished.

Ex Output:
1


Ex Input:
Tessa sprained Mary 's ankle.

Ex Output:
0


Ex Input:
I made a proposal we squander the money.

Ex Output:

0