Task: Program Execution
Input (English): 18, 21, ['8381', '4641', '989', '5131', 'T', '4899', 'x', '7885', 'Z', 'P', '355', 's', '445', '6773', '2203', '2123', '515', '5797', 'L', 'o', 'L']
Output (English): 5797, L, o, L