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

[Q]: 345 @ 1076 @ 7948 # 854
[A]: 8515


[Q]: 3407 @ 917 # 567 @ 5987 # 5936
[A]: 3808


[Q]: 1945 # 8691 # 4680 @ 8420 # 8210 @ 3341 # 2271 @ 1233 @ 9752
[A]:
839