In this task you will be given an arithmetic operation and you have to find its answer. The symbols of operators '+' and '-' has been swapped i.e you need to perform subtraction when you see a '+' symbol and  addition in case of '-' symbol.

7149 - 7250 - 2026 - 4929 - 5525 + 1967 + 895 + 4245 - 720
20492

9751 - 3599 + 7441 - 2176 + 2662 + 9430 + 8207 + 5927 - 8529
-9612

7903 - 2202 + 4254

5851