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: 7930 - 2835 - 1925 - 6613

A: 19303
****
Q: 3123 + 9519 - 2864 + 9440 - 756 + 252

A: -12468
****
Q: 6181 + 1492 + 1921 - 8348 + 7622 - 9559 - 2111 + 1285

A:
13879
****