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.

2144 - 4158 + 4207
2095

5778 - 5516 - 1453 + 7326 - 5703
11124

7475 - 2069 - 6453 + 8458 + 9185 - 6124

4478