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:
Every man who said he would buy some salmon did buy some salmon.

Ex Output:
1


Ex Input:
where place are you living.

Ex Output:
0


Ex Input:
The writers of none of the reports.

Ex Output:

1


