Task: Program Execution
Input (English): 6419 3097 O 6675 391 B 6959 o a 975 3943 Q h 4265 1715 2977 8515 2483 1207 V M 2835 B I 9109 v 7817 q D U Q f x x z
Output (English): 3, 6, 8, 9, 12, 13, 20, 21, 23, 24, 26, 28, 29, 30, 31, 32, 33, 34, 35