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: 7347 # 9135 # 9303 @ 1078 # 3054 @ 4217 @ 4075

A: -4775
****
Q: 1999 # 5055 @ 6736 # 8829 @ 7010 # 2968 # 259 @ 5904

A: 4538
****
Q: 2813 @ 6177 # 8751 @ 4862 # 5278 # 4516

A:
-4693
****