Task: Program Execution
Input (English): 8, 9, ['6407', 'k', '665', 'P', 'y', 'u', 't', 'O', 'p', '1525', 'e', 'S', 'V', 'W', '3697', '1743', '8731', '2687', '3067', 'y', 'q', '5469', '2405', 'A']
Output (English): pO