Task: Program Execution
Input (English): [[-142, -137, -17], [68, 46, -73, 20, -144, 5, 38], [58, -4], [-71, 89, -111, -42, 96, -36], [-121, -105, 15, -56, -60, -59], [89, 98]]
Output (English): [-17, 68, 58, 96, 15, 98]