Task: Program Execution
Input (English): 561 705 8407 a P 9619 2989 j 1849 o Z f 1219 51 1415 6615 d c 2755 g d L 4393 T 6925 g 8131 3891 x 2951 2647 4301 7221 h Z 869 435 2017 q
Output (English): 4, 5, 8, 10, 11, 12, 17, 18, 20, 21, 22, 24, 26, 29, 34, 35, 39