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.

556 + 5223 - 5888 + 4866
-3645

7591 + 2427 + 6553 + 4047 - 9300 + 2235 + 7278
-5649

7174 - 4159 + 5015 + 5880 - 18 - 2225 + 5023

-2342