Task: Program Execution
Input (English): [[70, 24, -79, -174], [-56, 35, 48], [-109, 10, -84, -143, 78], [-76, -163, 81, -11, -147], [-52, -176, -78, -94], [-21, 49, 51, 57]]
Output (English): [70, 48, 78, 81, -52, 57]