Task: Program Execution
Input (English): 5591 2547 y x w V 2597 X 4689 9831 9189 G H P X Y 4787 k 6163 5217 A 4321 J 9535 2203 9257 177 7651 o P 8757 p e c K 7251 6263 b 1769
Output (English): 3, 4, 5, 6, 8, 12, 13, 14, 15, 16, 18, 21, 23, 29, 30, 32, 33, 34, 35, 38