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.

86 - 2166 - 8519 - 7184 - 362 - 2203 + 1579 - 1133 + 3978
16096

4444 + 4575 - 2114 - 4099
6082

3788 + 4627 + 810 - 2159 + 9053

-8543