Task: Program Execution
Input (English): u 2543 5133 S 7131 4771 3639 L 9747 3197 2979 121 K 417 W U 975 l t 9173 G s 4495 9743 6495 3809 V 2441 x o s 7503 n w 7537 N j
Output (English): 18