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: 7671 # 7716 @ 5899 @ 2520 # 497 # 24 # 16 # 840 # 9556

A: -2559
****
Q: 5885 @ 6086 # 2828 # 305 # 6536

A: 2302
****
Q: 8338 @ 7035 # 2067 # 1210 @ 9433 @ 1604

A:
23133
****