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: 6108 sottrazione 6053 sottrazione 4548 aggiunta 8732 aggiunta 1266 sottrazione 4709 aggiunta 4897 aggiunta 4328 aggiunta 3292
A:
13313