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.

5299 - 8968 + 5239 + 1119
7909

9060 + 6995 - 9090 + 8450 - 5246 + 5012
2939

9299 + 2634 + 77 + 1574 + 8367 + 6388 - 306

-9435