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.

3238 + 2914 + 4122
-3798

3664 - 184 - 3835 + 2124 - 1567 - 8341 - 3628 - 8279
27374

4296 + 1802 + 6762 - 7003

2735