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: 2127 aggiunta 5569 sottrazione 573 aggiunta 9432 sottrazione 205 sottrazione 7983 aggiunta 8324 sottrazione 5082
Output:
11609