Task: Program Execution
Input (English): 13, 17, ['3131', 'F', '1007', 'p', '6383', '671', '5107', 'y', '3863', '4121', 'O', 'W', '8771', '1079', '7339', 'W', '4821', '9255']
Output (English): 8771, 1079, 7339, W, 4821