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

6277 # 2029 # 4158 @ 5412 # 6845 # 6694 @ 5432
-2605

9551 @ 4169 # 3026 @ 616 # 5398 # 6695 # 5831 # 898 # 1255
-8767

2681 # 7181 # 3793 # 6776

-15069