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]: 3915 + 4904 + 4887 + 7162 - 3798 + 233 + 1101 - 7758 - 4627
[A]: 1811


[Q]: 775 - 7609 + 2326 + 8760 + 4505
[A]: -7207


[Q]: 3099 - 3212 - 5181 - 1235 + 9462 - 2670 + 3160
[A]:
2775