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]: 3007 @ 8777 # 8750
[A]: 3034


[Q]: 427 # 7974 # 7564 @ 2404 # 4955 # 1239 # 1518 @ 906
[A]: -19513


[Q]: 3782 @ 4127 # 1265 # 1395 @ 2430 @ 6990 @ 8573 @ 8170
[A]:
31412