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: 5279 - 2949 - 9227 - 4200 - 3399 - 5680 - 9769 + 7051 + 2369
Example Output: 31083

Example Input: 8988 + 9565 + 4047 - 1723 + 7160 - 8838 + 5611 + 7126
Example Output: -13960

Example Input: 9656 - 4724 - 5628 + 3964
Example Output:
16044