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: 4733 + 1935 - 5989 + 2634 - 6798 + 9853 + 9265 - 14 - 4165

Output: -1988


Input: Consider Input: 738 + 2356 - 5143 - 6683 + 811


Output: 9397