Task: Program Execution
Input (English): a 5703 Q 8855 2655 221 8889 L 3713 f 8761 b f q Q P l 635 Q L 5841 3281 z 1985 j j K R 8471 V q 4747 4819 887 c 2289 d 1221 A
Output (English): 2, 4, 5, 6, 7, 9, 11, 18, 21, 22, 24, 29, 32, 33, 34, 36, 38