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

6607 @ 8561 @ 5571 # 6468 @ 8173 # 7134 @ 2102 # 7688
9724

2020 @ 8125 # 252 # 2790 # 9183 @ 3123 # 7282 # 5115 # 1943
-13297

3410 @ 1829 # 6558 # 5448 @ 3983 @ 7684 # 5291

-391