Task: Program Execution
Input (English): 4, 9, ['Y', 'F', '7057', '2511', 'V', '8007', 'k', '8047', 'g', 'V', 't', 'L', '1577', 'w', '861', '4237', 'c', '9449', 'O', 'F', 'c']
Output (English): 2511, 1577