Task: Program Execution
Input (English): 7647 l 5771 4293 K J 5185 b b 4667 5213 9293 Y B Q 2447 A 2719 Q 8167 J 2635 F P Z t 3589 8973 R 461
Output (English): 2, 5, 6, 8, 9, 13, 14, 15, 17, 19, 21, 23, 24, 25, 26, 29