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]: 7165 @ 3630 @ 9021 # 4140 @ 319
[EX A]: 15995

[EX Q]: 5631 # 7224 @ 9746 # 8532 @ 8996 # 3971 # 8538 @ 5270 # 9789
[EX A]: -8411

[EX Q]: 7520 # 6412 # 2286 @ 8469 @ 8357
[EX A]:
15648