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: 1719 aggiunta 5165 sottrazione 9944 sottrazione 9392 aggiunta 9560 sottrazione 4738 sottrazione 153 aggiunta 8192 sottrazione 951

Solution: -542