Task: Program Execution
Input (English): 9, ['W', '2645', '2335', '71', '5217', '4785', 'W', '5783', 'E', '7815', 'A', 'I', 'e', 'h', 'a', 'M', '5353', 'v', '9519', '1747', '5099', '4719', 'I', '5631']
Output (English): W, 7815, 9519