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.

5778 - 5516 - 1453 + 7326 - 5703
11124

1673 - 3914 + 8016 + 5937 - 8915 + 4818
-4269

4665 + 538 - 3320 + 2517 + 5236

-306