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]: 6628 @ 7709 @ 528 @ 8813
[EX A]: 23678

[EX Q]: 452 # 5631 # 8307 # 1886 @ 4631 @ 1695 @ 4411 # 769
[EX A]: -5404

[EX Q]: 3624 @ 8316 # 4658 @ 7363 # 4165 @ 3125 # 6896
[EX A]:
6709