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: 8324 # 6868 # 6537

SOLUTION: -5081

PROBLEM: 2354 @ 5192 @ 5717 # 1833 @ 9672 # 3565

SOLUTION: 17537

PROBLEM: 5324 @ 3501 @ 1533 # 6722 @ 663 # 49

SOLUTION:
4250