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: 2269 # 7857 @ 1906 @ 1098 # 6308 # 1142 @ 2063

A: -7971
****
Q: 3765 @ 8333 @ 5726

A: 17824
****
Q: 3745 @ 7779 # 5634 @ 4511 # 9583 # 1203 # 6978 @ 5755 # 6406

A:
-8014
****