Task: Program Execution
Input (English): 21, 23, ['i', 'b', '2869', 'B', '5465', 'N', 'M', '9223', 'K', 'e', '3265', '6525', 'W', '3389', '3137', '503', 'x', '4333', '2073', 'v', 'e', 'a', '1881', '1281', 'D', '1981', 'L', 'T', 'h']
Output (English): 1881ae