Task: Program Execution
Input (English): 8, ['2269', '3037', '63', '3207', 's', '2493', 'V', '3057', '5419', 'W', '1807', '5721', 'W', '8139', 'c', 'f', '5577', 'u', '6849', '8157', '6179', 'd', 'U', '7433', 'V']
Output (English): 2269, 5419, 5577, V