Task: Program Execution
Input (English): [[74, -43], [-129, -104, -119, 47], [-130, 67], [-174, -139, 60], [-39, 31, -173, -7, -3], [-90, 31, -84, -193], [81, -4, -83, 80, -179, 80], [41, 77]]
Output (English): [74, 47, 67, 60, 31, 31, 81, 77]