Task: Program Execution
Input (English): 17, 21, ['789', '9211', '2491', 'C', 'W', 'w', '3645', '9405', '797', 'f', '9489', '3465', '9057', 'd', '3199', 'r', '8091', '6005', '8511', '2071', '679']
Output (English): 679, 2071, 8511, 6005, 8091