Task: Program Execution
Input (English): [[84, -15, -28, -191], [40, -154, -148, -18, -68, -150, -19], [-100, 56], [3, 56, -120], [13, 68, -139, -196], [-40, -34, -148, -164, -130, -9, 57]]
Output (English): [84, 40, 56, 56, 68, 57]