Task: Program Execution
Input (English): 8235 A F i 4825 7213 H 8323 8157 P b a B b 5755 4237 M 4313 Z 4991 Z 8889 z 2371 Y U 9895 3891 D 1463 t
Output (English): 2, 3, 4, 7, 10, 11, 12, 13, 14, 17, 19, 21, 23, 25, 26, 29, 31