Task: Program Execution
Input (English): 4, 9, ['S', '1891', '9615', 'D', 'S', '6921', '4751', '1859', 'C', 'y', 'u', 'U', 'h', '6757', 'C', 'Z', '9917', 'C', 'j', '379', '7341', 'q', 'I', '549', '9457']
Output (English): C, 1859, 4751, 6921, S, D