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.

155 + 7497 + 4675 - 2329 - 9080 - 5510 - 2336 + 8701
-1463

84 - 4898 - 2883 + 5111 - 7812 - 5830 + 3330 + 8500 + 6754
-2188

3711 + 5419 + 899 - 3787 - 953

2133