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: 23 - 7991 - 1064 + 8364

Answer: 714


Question: 7053 - 797 + 1011 - 43 - 2798 - 1572 - 4498

Answer: 15750


Question: 64 - 5994 + 8659 - 885

Answer:
-1716