Task: Program Execution
Input (English): [-86, -17, 33, 10, -65, 26, 39, 0, 13, -53, 15, 39, 40, -59]
Output (English): [-51.5, 8.0, 21.5, -27.5, -19.5, 32.5, 19.5, 6.5, -20.0, -19.0, 27.0, 39.5, -9.5]