Task: Program Execution
Input (English): 17, 18, ['O', '8193', 'F', '6503', '3829', '4883', '9063', '481', 'I', '2589', 'W', '2673', '7499', '5469', 'M', 'x', 'Q', 'm', 'A', 'p', '4043', '6389', '2089', '727', 'M']
Output (English): Qm