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:
2010 + 6744 - 5577 - 1182 + 8811
answer:
-6786


question:
1510 + 8779 + 5742 - 9951 - 2155
answer:
-905


question:
7571 - 6760 + 900 - 3284 + 7881 + 7722 - 7301
answer:

8413