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: 9549 - 507 + 659 + 3404 - 9243

A: 15236
****
Q: 5979 - 9772 + 7332

A: 8419
****
Q: 9055 + 6978 + 81 - 715

A:
2711
****