Task: Program Execution
Input (English): v 8871 W c Z N 9037 r 4071 2483 6881 L f 2029 o 8281 l 3403 I f 7189 8287 b 9963 7867 Q g g 2929 5247 899 B X H
Output (English): 2, 7, 9, 10, 11, 14, 16, 18, 21, 22, 24, 25, 29, 30, 31