Task: Program Execution
Input (English): 5917 U 7203 q 8807 1095 B I l p P s s 3707 s v 7437 E 4353 A r q L M 8649 8903 4327 J x
Output (English): 2, 4, 7, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 21, 22, 23, 24, 28, 29