Task: Program Execution
Input (English): [[51, -76, 58], [-20, -38], [-174, -126], [-140, 5, -46, 8, 84, -129, -3], [-104, -54, -169, -77, -14, -21], [-27, -170, 61, -123, -35, 18]]
Output (English): [58, -20, -126, 84, -14, 61]