Task: Program Execution
Input (English): 8, 18, ['C', '1853', 'k', '2335', '1843', '5841', '3941', 'Y', 'L', 'L', 'b', '6403', '2749', 'T', 'U', '6195', 'f', '4269', '5765', 'B', 'b', '5857']
Output (English): YLLb64032749TU6195f4269