Task: Program Execution
Input (English): [[98, -19, 52, 95, -164, 7], [-95, -171, 56, -150, -169, -116], [93, -89], [13, -56], [-93, 28, -3, -74], [59, -28, -111, -174], [-110, -135, 74, -109]]
Output (English): [98, 56, 93, 13, 28, 59, 74]