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]: 2269 # 7857 @ 1906 @ 1098 # 6308 # 1142 @ 2063
[A]: -7971


[Q]: 9954 @ 4250 # 4835 @ 6737 # 8434 # 6461 @ 1008
[A]: 2219


[Q]: 326 @ 26 # 796 # 1069 @ 8105 @ 7255 # 1369 @ 5671 # 9886
[A]:
8263