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: 5263 aggiunta 7011 sottrazione 3303 aggiunta 4949 aggiunta 6193 aggiunta 5077 sottrazione 4603
A: 
20587