Task: Program Execution
Input (English): [-56, 55, 2, 50, 68, 63, -67, 15, -76, 47, 66, -11, 68, 54, -89]
Output (English): [-0.5, 28.5, 26.0, 59.0, 65.5, -2.0, -26.0, -30.5, -14.5, 56.5, 27.5, 28.5, 61.0, -17.5]