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]: 1919 @ 7586 # 3931 @ 8451 # 8366
[EX A]: 5659

[EX Q]: 4282 @ 2191 # 7458 @ 8928
[EX A]: 7943

[EX Q]: 6771 # 9005 @ 6339 @ 9793 @ 6388 # 8971
[EX A]:
11315