Task: Program Execution
Input (English): 4, 10, ['k', '8369', '1739', '2151', '223', 'D', 'F', '7565', '4083', '3713', 'V', '8581', 'O', '3077', '6025', 'T', '1837', 'J', '9969', 'F', 'L', 'M', 'Z']
Output (English): 371340837565FD2232151