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.

[EX Q]: 8155 + 6800 - 6839 - 8047 + 3270
[EX A]: 12971

[EX Q]: 7961 - 5474 + 4234 - 4358 - 7627 - 2291 - 9771 + 9867 - 813
[EX A]: 24194

[EX Q]: 6955 + 9662 + 2777 - 6990 + 3495 - 5670
[EX A]:
3681