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

4532 @ 5773 @ 2346 @ 6961 # 8280
11332

2404 @ 4359 # 5006 # 2796 # 6139
-7178

8124 @ 4542 # 2221 # 155 @ 9785

20075