Task: Program Execution
Input (English): [[-42, -152, -122, -79], [-85, 39, 36, -53], [83, 52], [-31, -2, -176, -152, -107, 44, 62], [10, -163, -16], [44, 33, 55, -59, 1, -30, -19]]
Output (English): [-42, 39, 83, 62, 10, 55]