Task: Program Execution
Input (English): [-77, 59, -1, 64, -41, -83, 36, -46, -87, -77, 19, 60, 18, -15, 62]
Output (English): [-9.0, 29.0, 31.5, 11.5, -62.0, -23.5, -5.0, -66.5, -82.0, -29.0, 39.5, 39.0, 1.5, 23.5]