Task: Program Execution
Input (English): [[87, -148, -136, -173], [-146, -74, 67, -35, -107, 91], [-174, 16], [-10, -149, -49, 3, 15], [-169, -102, -58, -87, -129, -7], [-199, -28, -96, -145]]
Output (English): [87, 91, 16, 15, -7, -28]