Task: Program Execution
Input (English): 8, ['b', '1407', 'x', 'f', '6591', '8507', '6091', '5269', 'S', '8737', '8901', '5703', '8725', '4811', '7727', 'f', '4451', '5015']
Output (English): S, 8737, 8901, 5703, 8725, 4811, 7727, f, 4451, 5015