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: 2765 aggiunta 6952 sottrazione 1523 sottrazione 6668 sottrazione 1265 sottrazione 9528 sottrazione 3346 aggiunta 9648
Output:
-2965