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]: 3462 @ 9743 @ 8298
[EX A]: 21503

[EX Q]: 2020 @ 8125 # 252 # 2790 # 9183 @ 3123 # 7282 # 5115 # 1943
[EX A]: -13297

[EX Q]: 1957 # 6064 # 400 # 5045 @ 8329 @ 7257 @ 9000 # 1201 @ 533
[EX A]:
14366