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: 5610 - 3034 + 9312 + 7337 + 2731 + 8581 + 5926 - 2102 + 2137

Output: -25278


Input: Consider Input: 6091 - 9741 + 8943 + 4033 - 2984 + 4984 + 8503

Output: -7647


Input: Consider Input: 8055 - 1327 + 1494 - 2210 + 716


Output: 9382