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'.
Example: 10 sottrazione 7
Example solution: 3
Example explanation: Here, 'sottrazione' represents the subtraction operation. So, the answer is 3 (10-7=3).

Problem: 30 aggiunta 6426 sottrazione 5367 sottrazione 1130 aggiunta 5559 aggiunta 184 aggiunta 4213 aggiunta 676 sottrazione 9170

Solution: 1421