Task: Program Execution
Input (English): a 1191 D Q 8617 e 9319 9841 w 1329 3827 9141 S Y 8593 4961 I k 6241 g 4139 e K H 5903 7875 U
Output (English): 2, 5, 7, 8, 10, 11, 12, 15, 16, 19, 21, 25, 26