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: 2307 # 9363 @ 4926 @ 5635

SOLUTION: 3505

PROBLEM: 8524 # 5976 # 1534 @ 266 # 6452 @ 3945 # 2305

SOLUTION: -3532

PROBLEM: 65 # 7178 @ 5117 # 2272 # 6361

SOLUTION:
-10629