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: 9318 @ 858 @ 9508 @ 5403 # 5141 @ 6503 @ 9412

SOLUTION: 35861

PROBLEM: 4324 # 426 # 9171 # 980 @ 9454 @ 9720 # 7367 # 9266 # 1237

SOLUTION: -4949

PROBLEM: 2543 # 390 # 4820 # 9353 # 1297 # 5045 # 1584 @ 616 @ 7133

SOLUTION:
-12197