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

6543 @ 9353 @ 2169 # 4681 @ 6446
19830

8158 @ 1325 @ 395 # 4068 @ 4226 @ 7713 @ 8368 # 3297
22820

1348 @ 99 # 8395

-6948