TASK DEFINITION: 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
PROBLEM: 6979 # 7807 @ 3778 # 1362 @ 8374 # 3189 @ 5988

SOLUTION: 12761

PROBLEM: 2763 @ 869 # 8299

SOLUTION: -4667

PROBLEM: 2830 @ 7878 # 4709 @ 3200 @ 681 @ 5670 @ 5988 # 7626 # 8873

SOLUTION:
5039