Task: Program Execution
Input (English): b P p 7071 e 9511 8421 2713 4477 J F 7493 7895 8651 1583 3073 43 m H U Z 1299 4257 m 9969 n 3805 G 9719 J 7005 4803 B 4591 2955
Output (English): 15