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: 531 # 4183 # 6445 # 8517 @ 4076 # 9925

SOLUTION: -24463

PROBLEM: 8625 @ 3267 # 2323 # 3569

SOLUTION: 6000

PROBLEM: 2553 # 2781 # 5327 # 1413 # 1000 @ 3131

SOLUTION:
-4837