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]: 2821 @ 5327 # 3350 # 3607 @ 7010 @ 6824 # 9975 # 38
[A]: 5012


[Q]: 9380 # 5155 # 480 # 6791 # 9548 @ 2674 # 821 @ 657
[A]: -10084


[Q]: 580 # 6873 @ 9041 @ 1461 # 265
[A]:
3944