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.

1928 - 8869 + 937 + 6209 + 5391 - 5357 + 6743
-3126

2500 + 3268 - 574 + 5695 - 2143 + 404 - 196
-3954

144 - 7044 + 9154 - 7449 + 8210 + 2046 + 7366

-12139