Task: Program Execution
Input (English): 835 3615 7729 t X 9283 y X I 3465 1789 s F 1849 1507 93 q a T O C 533 q L 6065 M 5241 2755 8891 E L 4925 r 335
Output (English): 4, 5, 7, 8, 9, 12, 13, 17, 18, 19, 20, 21, 23, 24, 26, 30, 31, 33