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]: 581 # 2278 @ 452 # 5411 # 7564 @ 8148 # 2350 # 8956 # 4877
[A]: -22255


[Q]: 5052 # 6923 @ 1011
[A]: -860


[Q]: 5774 @ 1888 @ 5355 # 6957 # 7140 # 9762
[A]:
-10842