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

[EX Q]: 7924 @ 8575 # 3974 @ 6720
[EX A]: 19245

[EX Q]: 3407 @ 917 # 567 @ 5987 # 5936
[EX A]: 3808

[EX Q]: 8916 # 6070 # 4406 # 1732 # 434 @ 143 # 9650 @ 8419 # 4599
[EX A]:
-9413