Task: Program Execution
Input (English): 5327 I 5609 1919 8523 I K 2459 d 3613 1657 995 899 2571 R D n 9253 j 7355 8187 1079 M C F 9321 3397 p e A O f n 775 l b a 6171
Output (English): 2, 6, 7, 9, 15, 16, 17, 19, 23, 24, 25, 28, 29, 30, 31, 32, 33, 35, 36, 37