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

7371 # 9025 @ 8352 # 9201 # 9297 # 3561 @ 8576
-6785

9380 # 5155 # 480 # 6791 # 9548 @ 2674 # 821 @ 657
-10084

8421 @ 6532 # 9804 @ 6123 @ 4849

16121