Task: Program Execution
Input (English): [47, 56, -81, -55, 16, 28, 31, -71, 6, 33, -92, -85, -18, 27]
Output (English): [51.5, -12.5, -68.0, -19.5, 22.0, 29.5, -20.0, -32.5, 19.5, -29.5, -88.5, -51.5, 4.5]