Task: Program Execution
Input (English): 2, ['B', '6009', 'p', 'w', 'g', 'h', '7727', '403', '4921', '3977', '9001', 'b', 'W', '285', '2661', '9571', '7311', '6895', 'U', 'B', '7079', 'h']
Output (English): B, 6009