instruction:
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.
question:
3672 + 2445 + 4715 - 5145 - 8515 + 3793 - 3753
answer:
10132


question:
4117 - 7011 - 9534 - 3901 - 9537 + 6979
answer:
27121


question:
1146 - 8201 - 5732 + 867 + 2012
answer:

12200