Definition: 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: 8315 sottrazione 2492 sottrazione 7611 sottrazione 5086 sottrazione 8218 sottrazione 6276 sottrazione 4205 sottrazione 6276 sottrazione 3231
Output:
-35080