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: 1930 - 7631 - 6614 + 5805 + 7376

Output: 2994


Input: Consider Input: 938 + 566 + 5270 + 5634 - 7451 - 114

Output: -2967


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


Output: -7245