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]: 1463 @ 3742 @ 6816 @ 2090 @ 7068 @ 283 # 5740 @ 4067
[EX A]: 19789

[EX Q]: 9487 # 9520 @ 4047
[EX A]: 4014

[EX Q]: 2257 @ 400 @ 5139 # 6357 # 953 @ 5253
[EX A]:
5739