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:
9776 + 5760 + 5961 - 1401 - 1368
answer:
824


question:
3284 - 2372 - 6880
answer:
12536


question:
5178 - 76 + 6967 + 6215
answer:

-7928