Task: Program Execution
Input (English): i r 7807 a a 5609 x O 1993 8909 c s 2981 C b J G 8679 5075 4005 2981 r 1383 9199 5737 4283 E
Output (English): 3, 6, 9, 10, 13, 18, 19, 20, 21, 23, 24, 25, 26