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.

6042 + 4328 - 5171 + 23 + 4485 + 8072 + 4298
-9993

42 + 6517 - 146 + 304 - 4759 + 148 - 3822
1800

2495 - 7618 + 5185 + 1337 - 4546 + 10 - 2437 + 3953

6611

