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

507 @ 3439 # 8086 # 5497 @ 2145 @ 2124 @ 9603 @ 2119 @ 8351
14705

3522 @ 8651 @ 5172 # 4816 # 7424 # 1074 # 1822 # 1419
790

3869 @ 1861 # 2263 # 3351 # 8627 @ 1329

-7182