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.

3909 - 4736 + 2593 + 3592
2460

240 - 438 + 497 - 5901 - 1960 + 4782 + 6400 - 4055
915

5240 + 243 + 4611 + 4848 + 1712 - 7394

1220