Task: Program Execution
Input (English): 5, ['1557', '6591', 'l', '9469', '2719', '2455', 'w', '7193', 'x', '5687', '4967', '4923', '2665', 'E', 'M', 'C', 'q']
Output (English): 1557, 6591, l, 9469, 2719