Task: Program Execution
Input (English): y 127 6581 7803 A 2749 P 5579 9173 q r 7343 7609 x w 4099 4009 q l 445 9777 3589 9299 U k 5771 1625 B 4393 R 6653 441
Output (English): 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 20, 21, 22, 23, 26, 27, 29, 31, 32