Task: Program Execution
Input (English): 8759 3917 y 2317 f 15 4917 s H D 3521 4873 a 2843 2433 1377 773 8365 a r 5743 e i 9651 8685 4287 4831 2445 k G 2899 j Y f G e u 1457
Output (English): 3, 5, 8, 9, 10, 13, 19, 20, 22, 23, 29, 30, 32, 33, 34, 35, 36, 37