Task: Program Execution
Input (English): [0, 26, 72, -78, 27, -2, 60, 3, 31, -78, 28, -22, -66, 57, -60]
Output (English): [13.0, 49.0, -3.0, -25.5, 12.5, 29.0, 31.5, 17.0, -23.5, -25.0, 3.0, -44.0, -4.5, -1.5]