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: 5263 @ 8483 # 8668 @ 4802 # 7388 @ 2501 @ 3137 # 8399

SOLUTION: -269

PROBLEM: 1559 # 9981 # 6881

SOLUTION: -15303

PROBLEM: 4051 @ 374 @ 1210 # 8352 # 3438 @ 5283 # 3618 @ 3578 @ 6827

SOLUTION:
5915