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

5052 # 6923 @ 1011
-860

8771 @ 2575 # 7914 # 3691
-259

6244 # 3528 # 4605 # 6396 # 3509 # 4073

-15867