Task: Program Execution
Input (English): 12, 16, ['O', 'x', '8663', '6583', '1307', '6179', 'x', '7931', '499', '2275', 'W', '9133', '7325', 'n', '1005', 'O', '6515', 'I', '4589', '1833', '4005', 'B', 'a', '9423', '7063']
Output (English): 9133, 7325, n, 1005, O