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: 5253 @ 2450 @ 1316 @ 9889 @ 6449 @ 4948

A: 30305
****
Q: 5474 @ 2497 @ 6991 @ 302 # 1963 # 6932 # 5953 # 4859

A: -4443
****
Q: 4130 @ 7647 # 9767 # 8531 # 1408 # 2686

A:
-10615
****