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.

5113 - 8987 - 452
14552

7337 + 5801 - 8640 - 4143 - 2557
16876

6509 + 2384 + 4289 - 4798

4634