Task: Program Execution
Input (English): 681 h D 7581 6087 l f D S 7741 h G X f W 5919 E 4339 5717 k x 8845 R h 749 d n b m 7715 V 5987 1191 4193 159 8285
Output (English): 2, 3, 6, 7, 8, 9, 11, 12, 13, 14, 15, 17, 20, 21, 23, 24, 26, 27, 28, 29, 31