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

6733 # 361 @ 8396 @ 7920 @ 7915 # 1370 @ 5576 # 1321 @ 343
33831

7720 @ 5171 # 6139 @ 480
7232

2870 @ 1885 # 2679 # 5631 # 7397 # 5315 @ 8256 @ 5816 # 9636

-11831