Task: Program Execution
Input (English): 12, 15, ['x', '8797', '7331', '4215', '4995', '9235', 'T', 'n', 'O', '6329', '635', '6127', '89', 'A', '4065', '5549', '4189', '7769', 'O', '2863', '6963', 'W', 'd', 'C', 'y', '6329', 'W', '3057', 'u']
Output (English): 612789A4065