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]: 452 # 5631 # 8307 # 1886 @ 4631 @ 1695 @ 4411 # 769
[A]: -5404


[Q]: 486 # 3873 # 1187
[A]: -4574


[Q]: 2330 # 2879 @ 1887 @ 5314 @ 2834 # 4948 # 3105 @ 9503
[A]:
10936