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.

Example Input: 5360 + 7507 - 3329 + 6345 - 9328 + 3114
Example Output: 1051

Example Input: 84 - 4898 - 2883 + 5111 - 7812 - 5830 + 3330 + 8500 + 6754
Example Output: -2188

Example Input: 2226 - 7329 - 3547
Example Output:
13102