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]: 6942 @ 1857 @ 1508 @ 3059 # 6727
[A]: 6639


[Q]: 2030 # 4671 # 6277 @ 7403 @ 211 @ 1842 # 9247
[A]: -8709


[Q]: 8217 @ 1539 @ 6884 # 2967 @ 8397 @ 3005 @ 1819
[A]:
26894