Task: Program Execution
Input (English): a 6165 419 d q 8413 1573 1907 2309 993 q l r 4445 7641 j 6313 U 5773 G 4575 4721 N s 8293 H 1653 1959 a b E 2439 m 2449
Output (English): 2, 3, 6, 7, 8, 9, 10, 14, 15, 17, 19, 21, 22, 25, 27, 28, 32, 34