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: 2186 # 2436 # 4269 # 2175 @ 4101 # 2723 @ 6192 # 7530

SOLUTION: -6654

PROBLEM: 9012 # 7958 # 951 # 3753 @ 5601 @ 8942 @ 2251 @ 4526

SOLUTION: 17670

PROBLEM: 8534 # 7435 @ 4200 @ 2952 @ 6547 @ 2609 # 3524 # 8312 # 9474

SOLUTION:
-3903