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]: 1262 # 4309 # 2911
[EX A]: -5958

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

[EX Q]: 9334 @ 7980 # 1916 @ 590 @ 5115 # 2377
[EX A]:
18726