Task: Program Execution
Input (English): [[49, -80, -56], [49, 32, 58, -174, -86, -170, -2], [-89, -69, 70, 7, 28], [49, -181, 47, -171], [-107, -178, 10, 5, -121]]
Output (English): [49, 58, 70, 49, 10]