Task: Program Execution
Input (English): l g f 3957 9571 2493 2363 c A 9817 A 2773 J K B 7845 549 1629 A q 2223 6121 J 2485 h D 3661 o 3973 i K J S 4989 4329 u s 3737 8895 s
Output (English): 18