In this task you will be given an arithmetic operation and you have to find its answer. The operators '+' and '-' have been replaced with new symbols. Specifically, '+' has been replaced with the symbol '@' and '-' with the symbol '#'. You need to perform the operations in the given equation return the answer

6607 @ 8561 @ 5571 # 6468 @ 8173 # 7134 @ 2102 # 7688
9724

735 @ 7682 # 2492 # 7149 @ 7531 @ 4967 @ 3646 @ 6439
21359

9266 @ 2832 @ 1534
13632