Task: Program Execution
Input (English): 8633 W 4585 8463 6005 1471 611 4033 a E 9651 8395 3701 5681 1413 4693 5837 t N 9639 n P 4221 2727 z l 9787 R J o
Output (English): 2, 9, 10, 18, 19, 21, 22, 25, 26, 28, 29, 30