Task: Program Execution
Input (English): 4, 18, ['5089', '9195', '7551', 'D', '3725', '563', '5371', '5533', 'u', 'i', '4215', 'N', '179', '3415', '5617', '8421', '233', '1555']
Output (English): D372556353715533ui4215N1793415561784212331555