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: 463 @ 7844 # 9816

SOLUTION: -1509

PROBLEM: 837 @ 118 @ 1503 # 3288 @ 6669 # 1394

SOLUTION: 4445

PROBLEM: 8040 @ 1131 @ 3714 # 1698 # 1392

SOLUTION:
9795

