Task: Program Execution
Input (English): 505 S J q 2085 1091 6841 4807 t 8817 723 s H 3895 1289 6945 4021 887 M S 8021 C O c 6585 773 X b q n a 6261 9265 p c b 4275 i e n
Output (English): 2, 3, 4, 9, 12, 13, 19, 20, 22, 23, 24, 27, 28, 29, 30, 31, 34, 35, 36, 38, 39, 40