Task: Program Execution
Input (English): a 9567 4489 L 8585 6279 r p 4017 B 3641 8191 X 9759 869 953 409 4503 T Q L N U 1145 4489 d I 1649 9987 787 C C 611 4089 3567 Q 3713 F r 7193
Output (English): 1, 4, 7, 8, 10, 13, 19, 20, 21, 22, 23, 26, 27, 31, 32, 36, 38, 39