Task: Program Execution
Input (English): F 435 i 5301 k b L 9623 5259 F 6727 a 6563 f 4773 l 1549 Q 3943 u 7361 5739 235 2779 1419 4905 6399
Output (English): 1, 3, 5, 6, 7, 10, 12, 14, 16, 18, 20