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

[EX Q]: 6628 @ 7709 @ 528 @ 8813
[EX A]: 23678

[EX Q]: 9318 @ 858 @ 9508 @ 5403 # 5141 @ 6503 @ 9412
[EX A]: 35861

[EX Q]: 8897 # 2183 @ 5163 # 7518 @ 2182 # 9493 # 2392 # 7241
[EX A]:
-12585