Task: Program Execution
Input (English): 2, ['4687', '9509', '4547', 'x', 'e', 'j', '7411', '3077', 'g', 'e', 'F', 'h', 'Y', 'A', 'x', 'c', 'G', '207', 'F', 'T', 'I']
Output (English): 4687, 9509