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.

3438 - 3865 - 956 - 3020 + 2696
8583

2297 + 4208 + 9691 - 6995 + 738 + 1245 - 7806
1216

7322 + 8443 - 868

-253