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: 4486 + 7884 - 172 + 2615

A: -5841
****
Q: 7099 + 7754 - 6005 + 852 - 2187 + 4606 - 6703

A: 8782
****
Q: 2135 + 539 + 8775 + 135 - 122 - 3219 - 9587 - 1997 - 2328

A:
9939
****