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.

[EX Q]: 8354 + 2602 + 1315
[EX A]: 4437

[EX Q]: 6485 + 8165 + 4482 - 4771 + 2626 + 5500 + 8702 - 1649 + 7002
[EX A]: -23572

[EX Q]: 3745 + 7779 - 5634 + 4511 - 9583 - 1203 - 6978 + 5755 - 6406
[EX A]:
15504