Task: Program Execution
Input (English): [[-15, -54, -102, 86, 30, -114], [37, -54, -51, -149], [67, 32, -45], [-186, -90, -16], [-96, 61], [-108, -55, -63, 98]]
Output (English): [86, 37, 67, -16, 61, 98]