Task: Program Execution
Input (English): 5631 f 1659 Y k 5071 4971 2571 H O S 8105 j i R D 4621 4195 2003 S 4237 9255 8745 4781 J 35 7049 1693 n e 829
Output (English): 1, 3, 6, 7, 8, 12, 17, 18, 19, 21, 22, 23, 24, 26, 27, 28, 31