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: 3922 sottrazione 5011 sottrazione 8457 aggiunta 700 sottrazione 8890 aggiunta 3203 aggiunta 5789 aggiunta 9651 sottrazione 5349
A:
-4442