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: 5753 - 4358 + 6312 + 2406 + 5334 - 4718 + 6262

Output: -5485


Input: Consider Input: 1311 + 7420 + 9121 + 7525 - 8582 + 528 + 1094

Output: -15795


Input: Consider Input: 5423 - 9096 + 6059 + 659 - 393 - 2105


Output: 10299