Task: Program Execution
Input (English): V W 9073 6399 s 8503 8291 C 7687 3483 a 9155 H 5501 1481 8055 Y 9165 4817 n n U k 9545 8013 X 7937 9651 g 3091 o 9439 I k a X
Output (English): 18