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]: 4787 # 6151 # 6235
[EX A]: -7599

[EX Q]: 5891 @ 5687 @ 6434 # 9679 @ 2950 # 5934 @ 1364 @ 6773
[EX A]: 13486

[EX Q]: 3352 @ 8734 @ 4530 # 4501 @ 7032 @ 2229 @ 8658 # 8855
[EX A]:
21179