Task: Program Execution
Input (English): 15, 21, ['F', '4531', '843', 'L', 'v', 'V', 'w', 'n', 'B', '3145', '3365', '6745', 'h', '6625', '5599', '7151', 'v', 'K', '7517', '4917', 'D', 'S', 'q', '7207', '8891', '4481']
Output (English): D49177517Kv71515599