Task: Program Execution
Input (English): [-19, 18, 35, 28, -6, 77, -23, 24, 1, 16, 51, -68, 69]
Output (English): [-0.5, 26.5, 31.5, 11.0, 35.5, 27.0, 0.5, 12.5, 8.5, 33.5, -8.5, 0.5]