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:
Sam didn't pick those packages up until it had stopped raining which are to be mailed tomorrow.

Ex Output:
0


Ex Input:
She asked a man who was near the window whether it looked like rain.

Ex Output:
1


Ex Input:
Heather cabled the news at Sara.

Ex Output:

0