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: 5709 + 8211 + 3945 + 1143 - 7258

A: -332
****
Q: 3071 - 5299 + 206 + 3214 + 6040 + 5785 - 6760 - 8070

A: 7955
****
Q: 8646 - 1536 + 7278 - 5481

A:
8385
****