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: 5539 + 616 - 1640 - 7665 - 8787 - 5104 + 8431 + 9502

A: 10186
****
Q: 5299 - 8791 + 6861

A: 7229
****
Q: 4620 + 9298 + 6411 + 4873 - 4676 + 1225 - 2453 + 8378

A:
-18436
****