Task: Program Execution
Input (English): 3, 8, ['d', '1497', 'm', 'U', 'B', 'f', 'j', '9249', '8057', '4707', 'M', 'n', 'W', '4477', 'i', '3947', 's', '4307', 'F', 'm', 'z', '5259', 'b', 'U', '1647', '4145', '6219']
Output (English): m, M, F, 6219