Task: Program Execution
Input (English): 12, 18, ['8383', '9467', 'w', 'V', 'q', '4251', 'z', 'T', 's', 'V', 'c', 'N', '599', 'v', 'Y', 'L', '7647', '1721', 's', '8399', '9625']
Output (English): 9967