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: 9930 # 7864 @ 6797 # 6092 @ 1146 @ 1388 # 8545 # 9163

A: -12403
****
Q: 7347 # 9135 # 9303 @ 1078 # 3054 @ 4217 @ 4075

A: -4775
****
Q: 6316 @ 4949 # 9831 # 7917 @ 9276 @ 9994 @ 3082

A:
15869
****