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]: 7337 + 5801 - 8640 - 4143 - 2557
[EX A]: 16876

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

[EX Q]: 3679 + 3989 + 8728 + 4098 + 1337
[EX A]:
-14473