Task: Program Execution
Input (English): 5, ['2191', '607', '1761', 'w', 'X', 'P', '8653', '623', 'u', '1647', '8351', 'P', '3411', 'f', 'G', 'f', '5309', '1057', 'D', '6235', '89', '9173']
Output (English): 2191, P, 8351, f, 89