Task: Program Execution
Input (English): 5431 u 4575 F J J d h C 9255 z e 1037 4055 z 1781 L 7085 8481 6001 d 5429 O 4667 z 7549 c 813 b 6159 6617 r
Output (English): 1, 3, 10, 13, 14, 16, 18, 19, 20, 22, 24, 26, 28, 30, 31