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: 1561 aggiunta 9723 aggiunta 7473 aggiunta 9654 aggiunta 9156 aggiunta 4243 sottrazione 2923 aggiunta 2854
A: 
41741