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: 2548 @ 2442 # 6943 # 1890 @ 3686 @ 9765 # 1273

A: 8335
****
Q: 9720 @ 6485 @ 1745 @ 728

A: 18678
****
Q: 9052 # 9668 # 714 @ 8067 # 5201 @ 1377 # 986 @ 3775 # 3844

A:
1858
****