Task: Program Execution
Input (English): [[2, -174, -142, -89], [-198, 93, -50, -38], [-149, -53, 8, 15], [-178, -101, -110, -46, -135], [-89, -64, -157, -173, 31], [-121, 90], [-75, -175]]
Output (English): [2, 93, 15, -46, 31, 90, -75]