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: 2671 + 3943 - 5777 + 7680

A: -3175
****
Q: 3438 - 3865 - 956 - 3020 + 2696

A: 8583
****
Q: 8465 + 4419 + 3770 - 9622 + 7712 - 7305 - 4674 + 1853

A:
12312
****