Task: Program Execution
Input (English): 8051 c 9791 6525 7883 7985 X 5791 5657 z d P 9185 3003 O z 9401 4783 3171 R e 7041 U T G B 5831 4683
Output (English): 1, 3, 4, 5, 6, 8, 9, 13, 14, 17, 18, 19, 22, 27, 28