Task: Program Execution
Input (English): [421, 877, 457, 927, 173, 151, 543, 457, 570, 26, 133, 994, 566, 824, 521, 549, 523, 684, 599, 47]
Output (English): [421, 877, 457, 173, 151, 457, 521, 523, 599, 47]