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: 5471 sottrazione 5068 aggiunta 4478 aggiunta 7816 aggiunta 9052 sottrazione 4152 aggiunta 5246
A: 
22843