Task: Program Execution
Input (English): 17, 19, ['7953', '9915', 'l', '9979', '5971', '2403', 'f', '8701', '2229', '5715', '4817', '4029', '5927', '3149', '1487', 'q', 'B', '4453', 'x', '6785', 'q', 'K', 'j', '19', '8233']
Output (English): x3544B