Instructions: 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'.
Input: 2192 aggiunta 9312 aggiunta 5594 sottrazione 9573 sottrazione 3340 sottrazione 2949 sottrazione 9489 sottrazione 2208 aggiunta 3690
Output:
-6771