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]: 636 # 9939 @ 3769 @ 8322 # 3343 @ 8680 # 1129 # 9882 # 3400
[A]: -6286


[Q]: 507 @ 3439 # 8086 # 5497 @ 2145 @ 2124 @ 9603 @ 2119 @ 8351
[A]: 14705


[Q]: 5281 # 7916 @ 4761 # 9320
[A]:
-7194