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]: 9380 # 5155 # 480 # 6791 # 9548 @ 2674 # 821 @ 657
[A]: -10084


[Q]: 2132 @ 8398 # 9269
[A]: 1261


[Q]: 1615 @ 8442 # 3508 # 7142 # 9518 @ 5845 @ 9894 @ 8637 # 7365
[A]:
6900