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

3970 # 8486 # 9402 # 8030 @ 4724 @ 8858
-8366

7534 @ 7329 # 2862 # 947 @ 8590 @ 4064
23708

4224 # 4013 @ 8299 # 8026 # 4816 # 7018
-11350