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

7533 + 2213 - 7566 + 455 - 6321 - 2480 + 1023 + 2407
17802

8352 + 6601 - 8932 + 4877 + 9173

-3367