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: 9489 - 1093 - 1183

Output: 11765


Input: Consider Input: 86 - 2166 - 8519 - 7184 - 362 - 2203 + 1579 - 1133 + 3978

Output: 16096


Input: Consider Input: 396 - 2717 + 5804 + 5740 - 6350 - 688 + 5069 - 5694 + 5134


Output: -5902