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: 5986 + 9293 + 3288 - 1791 + 6613 + 8185 - 7053

Output: -12549


Input: Consider Input: 1540 + 6977 + 9400 - 5524 - 1970 + 8397 - 6006 + 3183

Output: -12917


Input: Consider Input: 6122 - 5886 + 9797 - 9018 - 4752 + 9074 - 5864 + 6592


Output: 6179