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.

9713 + 8053 - 1782 + 6126 + 5918 + 968 - 2071 - 879 + 558
-7178

138 + 3973 - 6085 - 3324 + 6921 + 4411 + 1113 + 8310
-15181

1031 - 6983 - 2600 + 1550 + 1932 + 7887 + 5861 - 6578 + 8418

-8456