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

8025 - 6991 - 3299 + 9670 - 3471
12116

967 + 9187 + 343 + 5971 + 6359 + 9448

-30341