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: 1011 - 5404 + 4286 - 549 - 4178 - 1559

A: 8415
****
Q: 1788 + 4847 - 9342 - 2397

A: 8680
****
Q: 9060 + 6995 - 9090 + 8450 - 5246 + 5012

A:
2939
****