instruction:
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.
question:
8338 + 7035 - 2067 - 1210 + 9433 + 1604
answer:
-6457


question:
3664 - 184 - 3835 + 2124 - 1567 - 8341 - 3628 - 8279
answer:
27374


question:
7061 - 320 + 5708 - 1651 + 3113
answer:

211