Task: Program Execution
Input (English): 2471 H 2367 Z 9779 5613 R 1075 9391 g H 6207 2067 N D 2121 d d y 5387 9135 7797 z 4035 6729 j P l 4259 2415
Output (English): 2, 4, 7, 10, 11, 14, 15, 17, 18, 19, 23, 26, 27, 28