Task: Program Execution
Input (English): o G 7851 I 5189 4197 545 8027 2861 A L s 6905 8309 21 Q 9333 P C Q O 8787 G 9565 3425 8813 8649 9869 6703
Output (English): 1, 2, 4, 10, 11, 12, 16, 18, 19, 20, 21, 23