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

353 # 9525 @ 9923 @ 4025 # 1922 @ 4751
7605

8842 @ 3530 @ 7537
19909

4345 # 6464 @ 9049 # 7722

-792