Task: Program Execution
Input (English): [[78, 11, 69, -139, 60, -155, -126], [-8, 1, -98, 2, -45, -50, -53], [43, 18], [-144, -9, 74, 33, -83], [40, -125, 67, 6, 51, -145, 24], [31, 26, -4, -124, -87], [-58, -79, 40, -146], [91, -168]]
Output (English): [78, 2, 43, 74, 67, 31, 40, 91]