Task: Program Execution
Input (English): f r 8765 f E t X f 743 25 1947 3507 J r R m t 6035 D 8397 3805 4953 n G c m i 7029 6687 Z O 2795 W
Output (English): 1, 2, 4, 5, 6, 7, 8, 13, 14, 15, 16, 17, 19, 23, 24, 25, 26, 27, 30, 31, 33