Task: Program Execution
Input (English): [[77, -91, -65, -175], [-50, 5], [-121, -115, 54, -130, -36, 76, 98], [-63, 91, -98, -107, -125], [-5, 50, 8, -49, -100, -44, -178]]
Output (English): [77, 5, 98, 91, 50]