Task: Program Execution
Input (English): a 4441 9619 k 2723 9377 3481 s u F 8121 6545 6587 7533 N r 865 R 9365 213 T K n Y N O 685 639 1331 1915 P 9095 x b
Output (English): 2, 3, 5, 6, 7, 11, 12, 13, 14, 17, 19, 20, 27, 28, 29, 30, 32