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: 4274 - 4385 - 2316 - 7783

A: 18758
****
Q: 5709 + 8211 + 3945 + 1143 - 7258

A: -332
****
Q: 1617 - 369 - 1824

A:
3810
****