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:
John made Mary cooking Korean food.

Ex Output:
0


Ex Input:
the book with a red cover from Blackwell of poems by Robert Burns takes a very long time to read.

Ex Output:
0


Ex Input:
The average age at which people begin to need eyeglasses vary considerably.

Ex Output:

0