Task: Program Execution
Input (English): [52, -5, -10, -77, -79, 25, -10, -84, -9, -28, -15, -52]
Output (English): [23.5, -7.5, -43.5, -78.0, -27.0, 7.5, -47.0, -46.5, -18.5, -21.5, -33.5]