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

7027 @ 2812 @ 3081 @ 8945 # 18 # 3273 @ 222 # 6452 # 5838
6506

720 # 1309 @ 989 @ 1211 # 5749 # 7 @ 3147 # 9792 # 1243
-12033

8375 # 298 @ 7348 @ 6274

21699