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:
6681 - 1947 - 955 + 9470 - 4512 - 9603 + 5822 + 9404 - 8896
answer:
7898


question:
5409 - 5550 + 3864 - 5911 + 5222
answer:
7784


question:
4571 - 8862 - 5765 + 5553
answer:

13645


