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: 7016 @ 5245 # 3568 # 3445 # 5282 # 7568

A: -7602
****
Q: 1855 # 9818 @ 3927 @ 9533 # 8557 @ 619 # 7543 # 2844

A: -12828
****
Q: 8402 # 3080 @ 9198 # 6086 @ 5629 # 2746 @ 6688 # 6084

A:
11921
****