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.

3782 + 4127 - 1265 - 1395 + 2430 + 6990 + 8573 + 8170
-23848

7272 + 8958 - 7231 + 6616
-1071

5474 + 2497 + 6991 + 302 - 1963 - 6932 - 5953 - 4859

15391