Task: Program Execution
Input (English): 721 2749 b S 7153 l K Q Q 1777 d c r z L 93 6147 8969 f 6493 T 8449 M v X 9573 9509 A d N t 9673 q
Output (English): 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 15, 19, 21, 23, 24, 25, 28, 29, 30, 31, 33