Task: Program Execution
Input (English): [[4, -172, 63], [-165, -5, 58, -29, -166, 57], [-162, -171, 54, -15], [99, -121, -126, -181], [-2, -11, -163], [-158, -49, 37, -138, -1], [-61, -40, -79, -21]]
Output (English): [63, 58, 54, 99, -2, 37, -21]