Task: Program Execution
Input (English): [-18, -25, -30, 45, 27, -59, -83, -25, 83, -4, -37, -49, 51, 16]
Output (English): [-21.5, -27.5, 7.5, 36.0, -16.0, -71.0, -54.0, 29.0, 39.5, -20.5, -43.0, 1.0, 33.5]