Task: Program Execution
Input (English): [[-68, -136, -135, -121, 81, -7], [49, 12, -13, 79], [26, -67, 99, 4, 41, 14, 9], [-135, -104, 60, -96, -141, -194, -123]]
Output (English): [81, 79, 99, 60]