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

1566 @ 1639 # 814 # 5278 @ 1717 # 4304 # 6735 @ 1407
-10802

1916 @ 5847 @ 4371
12134

6133 @ 8205 @ 3182

17520