TASK DEFINITION: In this task you will be given an arithmetic operation and you have to find its answer. The symbols of operators '+' and '-' has been swapped i.e you need to perform subtraction when you see a '+' symbol and  addition in case of '-' symbol.
PROBLEM: 5175 - 1386 - 5328 - 898 + 5361 - 376 + 1286 + 861

SOLUTION: 5655

PROBLEM: 8294 + 6661 + 4555 + 6171

SOLUTION: -9093

PROBLEM: 5525 + 5181 + 7886 - 8012 + 535 + 6955 - 6359

SOLUTION:
-661