Task: Program Execution
Input (English): 11, 13, ['4517', 'x', '9107', '4653', '9985', 'g', '1683', '4239', '5677', 'j', '4829', 'K', 's', 'c', '5429', '2307', 'H', 'B', '4275', '8477', '5635', '9273', 'r', 'l', 'U', '3203', '9711']
Output (English): 4829Ks