Task: Program Execution
Input (English): 7, ['n', '6231', '9933', '5921', 'i', '2859', 'r', 'v', '1067', '2465', 'g', 'O', 'B', '2589', '3563', 'C', 'K', 'd', '5819', 'M', 'R', 'S', '1641', 'w', '4613']
Output (English): n, v, 3563, S