Task: Program Execution
Input (English): 18, 24, ['5967', 'f', '2899', '8323', 'O', '9351', 'B', 'L', 'B', 'r', '9989', '4355', 't', 'U', 'V', 'D', 'C', 'P', '8593', '4347', 'F', 'L', '6113', '1819']
Output (English): 20872