Task: Program Execution
Input (English): 9, 16, ['6245', '3425', 'X', 'x', '85', '7347', '907', 'q', '9183', 'Z', '5637', '111', 'M', 'R', '8121', '8389', 'a', 'M', '63', 't']
Output (English): 31441