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

6467 # 8145 # 9388 # 9232
-20298

5837 # 1015 # 4725
97

4102 # 2925 # 4577 @ 7702 # 8484 @ 9717 # 1486 # 6028 @ 6406

4427