Task: Program Execution
Input (English): 6423 H J 323 8559 I M 6929 O 3143 E 6555 I w h 881 h 2157 E E 7879 7289 5435 l c f t U r C w 4881 V 9395
Output (English): 2, 3, 6, 7, 9, 11, 13, 14, 15, 17, 19, 20, 24, 25, 26, 27, 28, 29, 30, 31, 33