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]: 7646 + 8509 - 4372 - 9840 - 6377 - 2924 + 869
[EX A]: 21781

[EX Q]: 6567 + 2835 + 6725
[EX A]: -2993

[EX Q]: 1721 + 3505 - 10 - 845 - 4052 - 4497 + 2184 + 975
[EX A]:
4461