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: 3979 aggiunta 4617 aggiunta 5535 aggiunta 149 aggiunta 1780 aggiunta 4151 aggiunta 9254 aggiunta 9802 sottrazione 5455
A: 
33812