Task: Program Execution
Input (English): [-81, 91, 12, -96, 33, -69, -12, 22, -55, -57, 7, -18, 42, -13]
Output (English): [5.0, 51.5, -42.0, -31.5, -18.0, -40.5, 5.0, -16.5, -56.0, -25.0, -5.5, 12.0, 14.5]