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:
7320 + 9337 - 31 + 8850 + 4804 + 230 - 9287 - 4572
answer:
-2011


question:
2474 + 4117 - 310 - 2018 - 6488 - 3458 - 1404
answer:
12035


question:
1102 - 5481 - 4435 + 4128 - 8131 - 3919
answer:

18940