Task: Program Execution
Input (English): 2, ['f', 'q', 'b', '1391', 'x', 'H', '2135', 'j', 'E', '4625', '655', 'U', '6641', 'd', 'j', 'I', '9393', 'E', '3169', '1531', '97', '6387']
Output (English): f, q