Task: Program Execution
Input (English): [-91, 16, 62, 42, -91, -73, -93, 1, -78, 58, 59, 20, 77, 78, -31]
Output (English): [-37.5, 39.0, 52.0, -24.5, -82.0, -83.0, -46.0, -38.5, -10.0, 58.5, 39.5, 48.5, 77.5, 23.5]