Task: Program Execution
Input (English): 20, 20, ['8757', 'U', '8063', 'q', 'u', '5441', 'K', '9457', 'Y', 'J', '5097', '1773', 'u', 'c', '7697', '6941', 't', 'q', 'Z', 'q', '7585', '4909']
Output (English): q