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.

[EX Q]: 4515 - 2156 - 8427 - 2175
[EX A]: 17273

[EX Q]: 1724 - 4426 - 960 - 8997 - 5797 + 8037 - 7699 + 3023
[EX A]: 18543

[EX Q]: 3460 + 9951 - 4932 - 1346 - 7490 - 8560 + 2594 - 512 + 4472
[EX A]:
9283