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: 5360 + 7507 - 3329 + 6345 - 9328 + 3114

Output: 1051


Input: Consider Input: 6163 + 7356 + 5264 - 4766 + 9373 + 1271

Output: -12335


Input: Consider Input: 7247 - 5294 + 1168 - 9584 - 9741 + 6883 + 836 + 3381


Output: 19598