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: 5799 + 5384 + 4924 + 5003 + 983 + 2274 - 5524

Output: -7245


Input: Consider Input: 5279 - 2949 - 9227 - 4200 - 3399 - 5680 - 9769 + 7051 + 2369

Output: 31083


Input: Consider Input: 1709 + 225 - 5887 - 6157


Output: 13528