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:
Smith was scribbling.

Ex Output:
1


Ex Input:
The more that pictures of himself appear in the news, the more embarrassed John becomes.

Ex Output:
1


Ex Input:
Whether they say it or not, most teachers expect their students to study hard.

Ex Output:

1