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:
9990 - 8613 - 152 + 4529
answer:
14226


question:
5630 - 3377 + 9205 - 4071 + 9580 - 7049
answer:
1342


question:
7624 - 3712 + 819 + 7849
answer:

2668