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]: 573 - 2172 + 3067 + 6526 - 4690
[EX A]: -2158

[EX Q]: 8213 + 7145 + 5203 - 2621 + 1654 - 1844
[EX A]: -1324

[EX Q]: 2177 - 4714 + 9417 - 376 - 2611 + 7130 - 2152
[EX A]:
-4517