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.

7169 + 1918 - 7501 + 5160 + 9033 - 3341 + 4286
-2386

4486 + 7884 - 172 + 2615
-5841

6039 + 1273 - 2162 - 5061 + 5087 + 4703

2199