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: 9403 + 6381 - 6599 - 2097 - 3046
Example Output: 14764

Example Input: 2980 - 6793 - 1879 + 5728 - 4199
Example Output: 10123

Example Input: 4189 - 3579 + 7275 - 5186 + 5825 - 3209
Example Output:
3063

