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]: 6894 + 3927 + 7884 - 4132 - 6563 + 4281
[EX A]: 1497

[EX Q]: 23 - 7991 - 1064 + 8364
[EX A]: 714

[EX Q]: 3539 - 32 + 2860 - 9452
[EX A]:
10163