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: Seven more ones came in after ten soldiers had left.
Example Output: 0

Example Input: Although Bob may not be a nut, many people have claimed and I think so too.
Example Output: 0

Example Input: Leslie staffed employees in the store.
Example Output:
0