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: 8974 + 8978 - 8097

A: 8093
****
Q: 8053 - 8275 + 3672 - 7233 + 8748 - 1270 - 6997 - 7566 + 5689

A: 21285
****
Q: 7852 + 3930 - 9928 + 8730 - 4813 + 5851 + 3445 - 8406 + 8518

A:
525
****