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]: 6420 @ 6956 @ 9478 # 4046
[EX A]: 18808

[EX Q]: 519 @ 9686 @ 3145 # 9320
[EX A]: 4030

[EX Q]: 8789 @ 145 @ 9584 # 1964 @ 2278 # 2606 # 7491 @ 4448
[EX A]:
13183