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: 3765 @ 8333 @ 5726

SOLUTION: 17824

PROBLEM: 3462 @ 9743 @ 8298

SOLUTION: 21503

PROBLEM: 1397 @ 9999 # 5803 # 9477

SOLUTION:
-3884