Task: Program Execution
Input (English): 8441 7991 b 7983 779 2139 25 3517 f y u 6581 H 1827 y V g p 1945 r N Z 9919 4491 6983 5971 5871 C F z T Q
Output (English): 1, 2, 4, 5, 6, 7, 8, 12, 14, 19, 23, 24, 25, 26, 27