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

Q: 8050 # 8744 @ 5247 # 7761 # 8743

A: -11951
****
Q: 1508 # 9607 @ 9117 @ 1943 # 3539 # 8743 # 2584 @ 7819

A: -4086
****
Q: 4371 # 878 @ 2165

A:
5658
****