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: 1420 - 1910 - 3500 + 9535 + 3807 - 5009 - 1271 - 3426

A: 3194
****
Q: 6439 - 6685 + 6156 - 3314 + 6845 - 6872

A: 10309
****
Q: 3162 - 4414 + 8464 - 2969 - 7655 - 7390 + 6156

A:
10970
****