Task: Program Execution
Input (English): 3515 6579 d 1665 2463 I j q 3957 n 8875 9947 f 9191 Y 7333 M A 9895 1621 t f a 1603 7825 5755 b J
Output (English): 3, 6, 7, 8, 10, 13, 15, 17, 18, 21, 22, 23, 27, 28