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 input: 10 sottrazione 7
Example output: 3
Example explanation: Here, 'sottrazione' represents the subtraction operation. So, the answer is 3 (10-7=3).
Q: 7822 sottrazione 7279 aggiunta 3410 sottrazione 959 sottrazione 4149 sottrazione 7072 sottrazione 4607 aggiunta 2188 aggiunta 9646
A:
-1000