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: 5110 + 3408 + 3582

Output: -1880


Input: Consider Input: 8513 - 7119 - 47

Output: 15679


Input: Consider Input: 7484 - 5521 + 4454 + 2097 + 5754 + 4295


Output: -3595