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.

4495 + 1180 - 7554 - 4842
15711

8602 - 1293 - 8063 - 4529 + 453 - 6407
28441

5113 - 8987 - 452

14552