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.

Q: 9990 - 8613 - 152 + 4529

A: 14226
****
Q: 6681 - 1947 - 955 + 9470 - 4512 - 9603 + 5822 + 9404 - 8896

A: 7898
****
Q: 6915 - 6030 + 9096 + 8006 - 4271 - 2890

A:
3004
****