Task: Program Execution
Input (English): [[-123, -163, 43, -5], [-109, -189, -123], [-48, 34, -64], [-87, 34, -39, 70, -153], [-44, -45], [-108, 55], [20, -103, 88, -38, -106], [68, 29, -23, 99, 91]]
Output (English): [43, -109, 34, 70, -44, 55, 88, 99]