Task: Program Execution
Input (English): 4, 15, ['855', '6483', 'A', 'm', '8463', 'M', '2547', '8225', 'Q', '2867', '5055', 'h', 'p', 'L', 'Z', 'Y', 'C', 'T', '725']
Output (English): m8463M25478225Q28675055hpLZ