Task: Program Execution
Input (English): 897 8175 a T 6317 4863 t 7347 y D E b D u M 9873 d S 7631 J 1519 L f 6255 2565 d 8985 Q n
Output (English): 1, 2, 5, 6, 8, 16, 19, 21, 24, 25, 27