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: 2989 # 6833 # 4298 @ 8863 # 8408

SOLUTION: -7687

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

SOLUTION: 936

PROBLEM: 4264 # 4438 @ 3871 @ 7585 # 540 # 3455 # 6016

SOLUTION:
1271