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.

7961 - 5474 + 4234 - 4358 - 7627 - 2291 - 9771 + 9867 - 813
24194

8666 + 80 + 2370 - 4680 - 3944 + 3621 + 4402 - 5171
11988

2221 + 44 - 9121 + 7871 + 2653 + 4950 - 1789 - 4828

2441