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]: 2339 @ 2821 # 2234 @ 1271 @ 471
[EX A]: 4668

[EX Q]: 8280 # 2607 # 4185 # 9243 @ 9839
[EX A]: 2084

[EX Q]: 3840 # 6562 # 2850 # 8834 @ 2468 @ 9377
[EX A]:
-2561