Task: Program Execution
Input (English): H i 7585 9571 X 3529 2933 s X 535 5495 l 9427 31 X 3627 4665 3833 s g t 3967 b V Y 7031 L 7093 1923
Output (English): 1, 2, 5, 8, 9, 12, 15, 19, 20, 21, 23, 24, 25, 27