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'.

2005 sottrazione 4431 aggiunta 2053 aggiunta 8561 sottrazione 4581
3607