Task: Program Execution
Input (English): 9283 a 8741 V 3917 u 9645 6109 y W b 8275 9725 9573 2895 B 1393 9227 3303 l n a R A C 5581 B 753 F 1973 8705 4553 L 9577 7989 X F S
Output (English): 19