Task: Program Execution
Input (English): 9899 r o 3813 o b 833 j L 9599 3595 i K E 277 4955 6469 C v j 5655 Q 5781 6935 z O x
Output (English): 1, 4, 7, 10, 11, 15, 16, 17, 21, 23, 24