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

2177 - 4714 + 9417 - 376 - 2611 + 7130 - 2152
-4517

5450 - 7077 + 4877

7650