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

634 # 6766 # 1458 # 4376 @ 9425
-2541

6472 # 6421 @ 7649 @ 4005
11705

187 @ 3059 # 8433

-5187