Task: Program Execution
Input (English): 7327 4449 85 A P 1815 9371 B h c 6809 5637 1965 n 7323 6675 8005 5863 g 8827 2847 6567 M Y n 7209 a O 7023 Q S 2149
Output (English): 1, 2, 3, 6, 7, 11, 12, 13, 15, 16, 17, 18, 20, 21, 22, 26, 29, 32