Task: Program Execution
Input (English): [[-20, -56, 56], [17, -59, -67, -63, -151, -17, -69], [-124, -19, -63, -44], [100, -30, -139, -51], [-75, -129, -137, -184, -97, 76, 80], [21, 39, -59], [78, 38, -32, 24, -84, 54, 56]]
Output (English): [56, 17, -19, 100, 80, 39, 78]