Task: Program Execution
Input (English): a 6885 6293 7071 z 7381 2417 4003 x Z 8905 l N 1235 3525 9281 5575 6693 F i n 6229 G 2103 7657 b 5823 2299 7389 8841 9275 4359 3543 9035 s P
Output (English): 23