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 electric main joins the house circuit in the basement.

Ex Output:
1


Ex Input:
Mary believed his to have loved her.

Ex Output:
0


Ex Input:
We believed there to try to leave the country.

Ex Output:

0