Task: Program Execution
Input (English): 2, ['k', '1687', 'C', 'O', '6171', 'Y', '667', '9053', '2425', '5739', 'm', 'g', '4155', '687', '2257', '6465']
Output (English): k, C, 6171, 667, 2425, m, 4155, 2257