Task: Program Execution
Input (English): 4053 w 5171 579 9623 1535 7731 l L 8505 9971 p 2579 1879 1767 r H 7785 9091 g 1559 t F N 3415 e 5371 X u u 1575 f 6437 9155 1733
Output (English): 15