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: 2560 @ 144 @ 6785 @ 572 # 5190 @ 1929

A: 6800
****
Q: 4324 # 426 # 9171 # 980 @ 9454 @ 9720 # 7367 # 9266 # 1237

A: -4949
****
Q: 8717 @ 6135 # 2706

A:
12146
****