Task: Program Execution
Input (English): 1591 X k L 6245 B 4493 8613 4791 9177 3405 H 7849 7925 2531 7555 4403 4925 q 7535 E 2195 8297 4289 a q n I 585
Output (English): 2, 3, 4, 6, 12, 19, 21, 25, 26, 27, 28