In this task you will be given an arithmetic operation in Italian and you have to find its answer. The operations 'addition' and 'subtraction' have been replaced with their italian translations i.e you need to perform addition when you see 'aggiunta' and subtraction in case of 'sottrazione'.
Q: 2983 aggiunta 6889 sottrazione 9435 aggiunta 2848 aggiunta 9822
A: 
13107