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: 3129 - 7101 - 6763 + 9310 + 4977

A: 2706
****
Q: 1078 + 2128 + 513 + 5898 - 8020

A: 559
****
Q: 9537 - 3334 + 9652 - 7690 - 7218 + 4396 + 8319

A:
5412
****