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

8157 # 6333 @ 7928
9752

1076 @ 6433 # 796 # 1827 # 5999 @ 96 # 7117
-8134

4787 # 387 @ 7146 @ 8983 @ 752

21281