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]: 8422 @ 5670 # 5825 @ 3613
[EX A]: 11880

[EX Q]: 4368 # 7312 @ 7468 # 4833 # 1476 # 42
[EX A]: -1827

[EX Q]: 9311 @ 2019 @ 4508
[EX A]:
15838