Task: Program Execution
Input (English): [[35, -86], [-83, -51, -85, -31], [-179, -44, 91], [-18, 27, 28, 34, -142], [45, -109, -86, -35, -151, -74], [84, 80], [-67, 80, -136]]
Output (English): [35, -31, 91, 34, 45, 84, 80]