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]: 6340 # 5642 @ 8051 # 3877 # 2824 # 3105 # 9957 @ 9874 # 6399
[A]: -7539


[Q]: 6729 # 6577 # 4789 # 6061 # 1189 # 2628 # 6930 @ 3226
[A]: -18219


[Q]: 2622 # 1057 @ 2240 # 7473 @ 4826 @ 7285 # 4424 # 1140
[A]:
2879