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:
Sharon shivered from fear.

Ex Output:
1


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:
Mickey slips up all the time.

Ex Output:

1