Task: Program Execution
Input (English): D F d G 2379 o v 2383 3507 7873 o 5851 s o 2941 459 8515 I B 9159 A 553 M 8365 5717 S w y c X 7091 5437 k 7367
Output (English): 1, 2, 3, 4, 6, 7, 11, 13, 14, 18, 19, 21, 23, 26, 27, 28, 29, 30, 33