Task: Program Execution
Input (English): [53, 25, -4, -8, -59, -99, 82, 64, -99, 55, 78, 50, 90, -30]
Output (English): [39.0, 10.5, -6.0, -33.5, -79.0, -8.5, 73.0, -17.5, -22.0, 66.5, 64.0, 70.0, 30.0]