Task: Program Execution
Input (English): 11, 18, ['F', '1761', 'F', 'o', '4457', '8777', '4953', '2411', 'h', 'i', '1167', 'u', 'e', '4269', 'A', '7149', 'M', 'I', '4107', '1977', '5175']
Output (English): IM9417A9624eu7611