Task: Program Execution
Input (English): 13, 23, ['8871', 'y', '4185', 'A', '269', '4181', '1271', '305', 'u', '9337', '7355', '7461', 'c', 'x', 'B', 'u', 'U', 'C', '1745', '1203', 'Q', '8317', 'U', '8871', '8989', 'G', 'U', 'i']
Output (English): cxBuUC17451203Q8317U