Task: Program Execution
Input (English): 11, 21, ['M', 'm', '4625', '3373', '9539', '8379', 'L', 'H', '2067', 'h', 'C', '6209', '3269', 'x', '9371', '5833', 'm', 't', 'o', '7557', '7591', 'm', '8683', '1903', '5815', 'l', 't']
Output (English): 19577557otm33851739x96239026C