Task: Program Execution
Input (English): [30, -86, -21, 74, 81, 82, 1, 3, 90, 85, -84, -49]
Output (English): [-28.0, -53.5, 26.5, 77.5, 81.5, 41.5, 2.0, 46.5, 87.5, 0.5, -66.5]