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

7252 # 8553 # 4853 @ 6748 # 3750
-3156

8717 @ 6135 # 2706
12146

5249 @ 1204 # 3908 # 5196 @ 1711 @ 8089 # 8419 # 2865 @ 1478

-2657