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

[EX Q]: 2931 @ 2088 @ 4090 # 4838 # 6154 # 8570 @ 8518 @ 1737
[EX A]: -198

[EX Q]: 9161 # 6658 @ 4795 @ 5621 # 1895 # 3766 # 7738 # 570
[EX A]: -1050

[EX Q]: 2673 @ 2185 @ 9564 @ 6257 # 7176 # 1298 # 4486 # 6843 @ 5874
[EX A]:
6750