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: 5137 @ 4207 @ 1156

SOLUTION: 10500

PROBLEM: 6543 @ 9353 @ 2169 # 4681 @ 6446

SOLUTION: 19830

PROBLEM: 1976 # 7048 @ 2695

SOLUTION:
-2377