Task: Program Execution
Input (English): [86, -68, 0, -87, 70, -64, 18, -77, 75, 2, -62, 4, 34, -52, 99]
Output (English): [9.0, -34.0, -43.5, -8.5, 3.0, -23.0, -29.5, -1.0, 38.5, -30.0, -29.0, 19.0, -9.0, 23.5]