Task: Program Execution
Input (English): 1, 3, ['Z', 'U', 'g', 'B', 'E', '4571', 'T', 'J', '5199', '1507', 'W', 'Q', '9113', '3041', '8409', '4717']
Output (English): Z, B, T, 1507, 9113, 4717