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

8050 # 8744 @ 5247 # 7761 # 8743
-11951

2370 # 437 # 89 # 6625 # 2724 @ 1767 # 2848 @ 3753
-4833

4618 @ 8021 # 3435 # 1913 # 6177 @ 7824 @ 8329 @ 4498

21765