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

6506 # 8715 @ 5800 @ 1904 @ 3642
9137

6060 @ 2846 @ 4249 @ 6831 @ 5191 @ 3711 # 352 # 2921 @ 5640
31255

5296 # 4481 # 5755 # 6455 # 5171 # 725 @ 449 # 1320

-18162