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.

6763 - 8006 - 6381 - 8852 + 6218 + 3788 + 7296
12700

6055 - 7226 + 1875 + 7504 - 1238 - 4445 + 412 - 5560
14733

2776 - 8931 + 2788 + 8315 - 6570 + 8385 - 2789

1578