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: 519 @ 9686 @ 3145 # 9320

SOLUTION: 4030

PROBLEM: 6733 # 361 @ 8396 @ 7920 @ 7915 # 1370 @ 5576 # 1321 @ 343

SOLUTION: 33831

PROBLEM: 3233 @ 4552 @ 4736 @ 6598 @ 5598 # 7568

SOLUTION:
17149