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]: 4062 - 644 + 187 - 4501 + 1736 - 230
[A]: 7514


[Q]: 9130 - 2661 + 5187 - 389 + 2464
[A]:
4529