Task: Program Execution
Input (English): 8, ['H', '7249', '4511', '5347', '2369', '9335', 'K', '4321', 'U', '9045', '2049', '991', 'x', 'f', 'Y', '9801', '7123', 'j', '6315', 'i', 'k', 'i', '9023', 'I', '9235', 'Z', 'S', 'U', 'c', '381', 'N', 'X', '8647', '3597', '7769', 'a', 'T']
Output (English): H, U, 7123, 9235, 8647