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:
5355 + 1451 - 3895 + 6213 + 743
answer:
843


question:
5773 - 2989 + 8993 + 6702 + 2237 - 1402 - 4236 - 1857
answer:
-1675


question:
2399 - 1940 + 3993 + 8862 + 6982
answer:

-15498