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]: 1162 @ 622 # 7209 @ 3448
[EX A]: -1977

[EX Q]: 5235 @ 3917 @ 4902 @ 3831 # 6517
[EX A]: 11368

[EX Q]: 2490 @ 5374 # 5450 @ 7935 @ 44 @ 6346 @ 6760
[EX A]:
23499