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: 6348 # 2614 @ 3559 @ 9670 # 1137 # 9684

SOLUTION: 6142

PROBLEM: 7769 @ 9568 @ 388 # 5101 # 8590 # 9063 # 5298 @ 7728

SOLUTION: -2599

PROBLEM: 7420 # 2139 @ 5758 # 3401 # 8025

SOLUTION:
-387