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: 2377 @ 4500 # 8359 @ 9946 # 9011

SOLUTION: -547

PROBLEM: 6732 @ 5690 # 2448 @ 1752 @ 7805 # 1629 # 9280

SOLUTION: 8622

PROBLEM: 4228 @ 6326 @ 5455

SOLUTION:
16009