Task: Program Execution
Input (English): 1, 4, ['9239', 'a', '5917', 'f', '4499', '4609', 'q', 'z', 'F', 'h', 'G', '5787', 'E', 'Z', '4209', '5457', '9691']
Output (English): 9239, 4499, F, E, 9691