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.

Q: 6439 - 6685 + 6156 - 3314 + 6845 - 6872

A: 10309
****
Q: 7208 + 2074 + 2796 - 8783

A: 11121
****
Q: 8608 - 5790 + 6820 + 5173 + 1980 + 7689 - 1916 + 8009 - 782

A:
-12575
****