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: 8213 - 7166 - 3524 + 2770 + 767 - 3629 - 7894

A: 26889
****
Q: 2500 + 3268 - 574 + 5695 - 2143 + 404 - 196

A: -3954
****
Q: 138 + 3973 - 6085 - 3324 + 6921 + 4411 + 1113 + 8310

A:
-15181
****