Task: Program Execution
Input (English): D 931 C I Q r K H 229 p W v g R 6077 6789 9921 687 5497 H 4237 U k x 3225 S D 8549 5915 P 6525 2951 5835 P 3835
Output (English): 2, 9, 15, 16, 17, 18, 19, 21, 25, 28, 29, 31, 32, 33, 35