Task: Program Execution
Input (English): 3, 7, ['U', 'X', '9663', '8383', '9319', 'Q', '8943', '2513', '7169', 'B', '3781', 'W', 'L', '5293', 'L', '1883', '3653', 'l', '8335', '8799', '5119', '505', '6051']
Output (English): 3498Q913938383669