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'.

Let me give you an example: Our friends won't buy this analysis, let alone the next one we propose.
The answer to this example can be: 1
Here is why: Since all the entities are in thier correct positions the statement is grammatically correct.Hence, the output is 1.

OK. solve this:
Do not end a sentence with a preposition.
Answer:
1