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: 826 # 6501 # 223 @ 9761 # 8863

SOLUTION: -5000

PROBLEM: 6267 @ 3545 @ 4904 @ 4580

SOLUTION: 19296

PROBLEM: 4484 @ 9796 # 3577 @ 1799

SOLUTION:
12502