Task: Program Execution
Input (English): 4, 18, ['R', 'G', '9597', '3065', '8469', '7487', '6237', 'a', 'N', '9563', 'a', 'h', 'L', '4027', 'f', '3387', 'm', 'P']
Output (English): Pm7833f7204Lha3659Na7326784796485603