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:
9493 + 2402 - 721 + 5448 + 2919
answer:
-555


question:
2862 - 964 + 1644
answer:
2182


question:
9563 - 7688 + 6371
answer:

10880