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'.

Example Input: I will if I can work on it.
Example Output: 0

Example Input: Roses flowered in the garden.
Example Output: 1

Example Input: This is the book of which Bill approves, and this is the one of which he doesn't.
Example Output:
1