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:
3909 - 4736 + 2593 + 3592
answer:
2460


question:
5450 - 7077 + 4877
answer:
7650


question:
3250 - 1653 - 7622 - 2461 - 2424
answer:

17410