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: 6484 # 6042 @ 239 # 5161 # 7940 @ 2882 @ 8393 # 311 @ 6933

SOLUTION: 5477

PROBLEM: 7483 @ 4061 @ 195 # 1982 @ 5673 # 6623 @ 9661 @ 7613

SOLUTION: 26081

PROBLEM: 107 # 4833 @ 7448 # 3549 # 9922 @ 6065

SOLUTION:
-4684