Task: Program Execution
Input (English): 9241 3151 X P 5813 6865 o i u i 9031 3131 1799 u o 4273 U D l c Z m W E 1903 4627 M 9153 N 7361
Output (English): 3, 4, 7, 8, 9, 10, 14, 15, 17, 18, 19, 20, 21, 22, 23, 24, 27, 29