Task: Program Execution
Input (English): 12, 12, ['3907', '5333', 'j', 'A', 'J', '1713', 's', 'H', '9131', 'I', '8863', 'C', '2329', '6799', 'm', '6443', '3265', '5607', 'M', 'U', '3275', '4945', '5493', '9271', '1827']
Output (English): C