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: 3615 @ 7429 @ 6810 # 207 @ 1232 # 5621 @ 6745

A: 20003
****
Q: 290 @ 5200 # 3274 # 8548

A: -6332
****
Q: 693 @ 2003 @ 8282 @ 98 @ 3235 # 3892 # 8148 # 2325

A:
-54
****