Task: Program Execution
Input (English): [16, 5, -72, -38, -8, 43, 53, 61, -74, -18, -91, -36, 41, 21]
Output (English): [10.5, -33.5, -55.0, -23.0, 17.5, 48.0, 57.0, -6.5, -46.0, -54.5, -63.5, 2.5, 31.0]