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.

Input: Consider Input: 5088 - 9353 - 2772 + 3908 + 9196 + 4709

Output: -600


Input: Consider Input: 3782 + 4127 - 1265 - 1395 + 2430 + 6990 + 8573 + 8170

Output: -23848


Input: Consider Input: 6479 + 8185 + 9308


Output: -11014