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: 781 + 6816 + 5971

SOLUTION: -12006

PROBLEM: 9982 + 267 - 3418 + 8741 - 63 - 1771 + 4720

SOLUTION: 1506

PROBLEM: 9570 - 1730 - 6383 - 3182 - 4729 + 8390 + 616 + 5842 + 4051

SOLUTION:
6695