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: 1691 - 755 + 5734 - 4774 + 4915 - 7249 - 47

A: 3867
****
Q: 775 - 7609 + 2326 + 8760 + 4505

A: -7207
****
Q: 4930 - 4285 + 8456 + 613 + 220

A:
-74
****