Read the given query and classify it as a 'Good' or 'Bad' query depending on how well the query is formed, 'Bad' being the expected output for a not so well formed query and 'Good' being the expected output for a well formed query. A query may be wrong based on common sense or general facts, but if it is well formed, you should answer with Good.

Input: Consider Input: What are the differences between compilers and interpreters ?

Output: Good


Input: Consider Input: How much 127 hours in days ?

Output: Bad


Input: Consider Input: How do you find the mechanical advantage for a wedge ?


Output: Good