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'.

3683 aggiunta 9168 sottrazione 9765
3086

7917 aggiunta 2150 aggiunta 1024 aggiunta 8412
19503

4507 sottrazione 9043 aggiunta 5439

903