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'.
--------
Question: 2754 sottrazione 7912 aggiunta 7527

Answer: 2369


Question: 3956 sottrazione 4291 aggiunta 1217 aggiunta 6236 sottrazione 5681 sottrazione 3910

Answer: -2473


Question: 3318 sottrazione 633 aggiunta 8713

Answer:
11398