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: 8602 - 1293 - 8063 - 4529 + 453 - 6407

A: 28441
****
Q: 7746 - 2667 + 1801 - 5756 - 6076 - 6701 + 3002

A: 24143
****
Q: 7425 + 1035 - 4807 + 2410 - 3433 + 2811

A:
9409
****