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]: 958 # 263 # 1097 @ 3868 # 3982
[A]: -516


[Q]: 2182 @ 8380 # 337
[A]: 10225


[Q]: 5398 @ 9842 @ 4345 @ 2142 # 2539 @ 611
[A]:
19799