Task: Program Execution
Input (English): 16, 18, ['4341', '2727', '4327', '8639', '2207', '8031', 'Z', '6567', 'C', 'x', '693', '2569', '6521', '8941', '1379', '8843', 'a', '6251']
Output (English): 8843, a, 6251