Task: Program Execution
Input (English): 16, 18, ['7685', '1425', 'a', '9015', 'r', 'N', 'n', 'i', 'J', 'H', '2379', '4651', '2687', '8927', '4085', 'V', '4601', 'Q', '2773', '4685', 'q', 'a', 'a']
Output (English): Q4601V