Task: Program Execution
Input (English): 5, ['O', 'C', 'd', 'k', 'A', 'a', '8681', '865', '9117', 'n', 'C', '599', '1593', 'i', '6769', '9997', '6121', '6925', '9161', 'x', 'H']
Output (English): O, a, C, 9997, H