Task: Program Execution
Input (English): l i d 1687 u 2521 x l P s S 4343 u 8929 567 x d J T N Y Q 6843 167 9529 2617 5059 A 4655 L 5339 D 945 5807 9855 5425
Output (English): 4, 6, 12, 14, 15, 23, 24, 25, 26, 27, 29, 31, 33, 34, 35, 36