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.

Q: 6874 + 7308 - 3041

A: 2607
****
Q: 8157 - 2717 - 1214 + 8558 + 7391 - 7163 + 6203 - 6912

A: 4011
****
Q: 3334 - 8209 + 9621 + 7046 - 5458 - 5086

A:
5420
****