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: 5046 # 9480 # 3079 @ 8929 # 1334 # 6211 @ 3240 @ 3825

SOLUTION: 936

PROBLEM: 2005 @ 8406 # 8464 @ 2432 @ 3536 # 999

SOLUTION:
6916