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: 6055 - 7226 + 1875 + 7504 - 1238 - 4445 + 412 - 5560
Example Output: 14733

Example Input: 5610 - 3034 + 9312 + 7337 + 2731 + 8581 + 5926 - 2102 + 2137
Example Output: -25278

Example Input: 7662 + 6855 + 7906 + 1967 + 8789 + 9790 - 9567 + 6826
Example Output:
-24904