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]: 1185 # 6431 @ 1326 # 2840 # 9276
[A]: -16036


[Q]: 8173 @ 1426 # 216 @ 7007 # 9009
[A]:
7381