Task: Program Execution
Input (English): [[-54, 44, 83, -159], [-121, -81], [-49, -186], [61, -20], [97, -128], [0, -50, 29, -154, -159, 40, -68], [-30, 77, -132, -155, -1, -90]]
Output (English): [83, -81, -49, 61, 97, 40, 77]