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: 3839 # 8343 # 3366 @ 9432 @ 4687 @ 2441 # 89

SOLUTION: 8601

PROBLEM: 2821 @ 5327 # 3350 # 3607 @ 7010 @ 6824 # 9975 # 38

SOLUTION: 5012

PROBLEM: 8458 @ 4098 @ 6886 @ 294 # 4951 # 2668

SOLUTION:
12117