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

SOLUTION: 26081

PROBLEM: 5362 # 4641 # 1356 # 9602 @ 1421 # 5671

SOLUTION:
-14487