Task: Program Execution
Input (English): [16, -57, -20, -57, -3, -10, -75, 64, -66, -82, -79, 53, -38, 15, 0]
Output (English): [-20.5, -38.5, -38.5, -30.0, -6.5, -42.5, -5.5, -1.0, -74.0, -80.5, -13.0, 7.5, -11.5, 7.5]