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: 9625 - 1139 - 9303

Output: 20067


Input: Consider Input: 5525 + 201 - 6676 - 332 - 3348

Output: 15680


Input: Consider Input: 5078 - 1203 - 8567 - 6982


Output: 21830