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: 2996 @ 6178 @ 7214 # 172 # 3711

A: 12505
****
Q: 5038 @ 8417 @ 7931 @ 7414 @ 5627 # 6512 # 5503

A: 22412
****
Q: 1668 # 419 # 3077

A:
-1828
****