Task: Program Execution
Input (English): 1, 12, ['M', '423', '5577', '8185', '3683', '5499', '365', '6213', '4039', 'l', '1251', 'B', '2141', '2917', '2919', '2797', '7801', '1547', 'Z', '4809', '317', '9697', '1529', 'c', '6057', '3155', '7997', 'q', '575', '5387']
Output (English): B1251l403962133655499368381855577423M